Psst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, November 11 at 2:00 PM ET

Register Free →

Search

Top

Back to Contracts

High-Speed COTS Lock-In Amplifier with Oscilloscope Capability

Active

Federal

Response Deadline11/11/2026, 09:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

Show more

This subcontract, issued by the Department of Defense under the Air Force Life Cycle Management Center, seeks the procurement of one commercial off-the-shelf high-speed lock-in amplifier with oscilloscope capability. The required device must support DC to 600 MHz demodulation and sampling rates between 1 and 25 GSa/s to facilitate quantum optics experiments. The delivery includes the hardware unit along with a PC software interface, API documentation, and compatibility with Python or MATLAB. Performance will take place at Wright Patterson AFB. To be eligible for the award, contractors must maintain an active SAM registration and have completed a CMMC Level 1 assessment. Responses to this solicitation are due by November 11, 2026.

General Info

DoD seeks high-speed lock-in amplifier for quantum optics experiments by November 11, 2026.

Agency

Department Of Defense → FA8601 Aflcmc Pzio

NAICS

334515 - Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals

Place of Performance

Wright Patterson AFB, OH, USA

Set-Aside

NONE

Documents

This scope was carved out of FA860127Q0010.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

AFIT Lock in Amplifier

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PostedOct 28

subcontract

Response DeadlineNov 11

Submission deadline

Response Deadline

11/11/2026, 09:00:00 PM UTCin 14 days

Ready to pursue this opportunity?

Get full access to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more

AgencyDepartment Of Defense → FA8601 Aflcmc Pzio

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Defense → FA8601 Aflcmc Pzio

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Supplies one COTS lock-in amplifier for prime contractors on Air Force Life Cycle Management Center projects. Provides a device capable of DC to 600 MHz demodulation and 1-25 GSa/s sampling for quantum optics experiments. Includes PC software interface and API support for Python or MATLAB. Requires CMMC Level 1 assessment and SAM registration. Delivers one lock-in amplifier unit and associated API documentation.

Similar Contracts

Same NAICS industry code

REG AND RELIEF VLV,

Solicitation # SPE7M1-27-T-1752

This procurement, issued by the DLA Weapons Support Maritime Supply Chain under solicitation SPE7M1-27-T-1752, is for the acquisition of one Regulation and Relief Valve, identified by NSN 6625-01-581-5369. The item is to be delivered FOB Origin to the Naval Air Warfare Center Air Division in Patuxent River, Maryland, with an original required delivery date of October 23, 2026, and a delivery window of 20 days after order. Shipping must be conducted via traceable means, and parcel post is strictly prohibited. Inspection and acceptance will take place at the destination in accordance with FAR 52.246-2. The contract mandates strict adherence to environmental and material standards, prohibiting the use of Class I ozone-depleting chemicals and the intentional addition of mercury or mercury-containing compounds. Packaging and marking must comply with MIL-STD-2073-1E, MIL-STD-129, and DLA packaging requirement RP001. Administrative requirements include electronic invoicing through the Wide Area WorkFlow system and compliance with various federal regulations, including the Buy American Act, NIST SP 800-171 for cybersecurity, and DFARS requirements regarding covered defense telecommunications equipment.

DLA WEAPONS SUPPORT MARITIME SUPPLY CHAIN

POSTED

about 7 hours ago

DEADLINE

SHUNT, INSTRUMENT

Solicitation # SPE7M1-27-T-1744

Solicitation SPE7M1-27-T-1744 is a small business set-aside request for quotations issued by the DLA Weapons Support Maritime Supply Chain for the procurement of nine instrument shunts, identified by NSN 6625-01-492-7560. The items are designated as critical application items and must be delivered FOB Origin to the DLA Distribution DDSP New Cumberland Facility in Pennsylvania. The required delivery timeline is 97 days after receipt of order, with a need ship date of September 3, 2024, and an original required delivery date of September 14, 2024. Inspection and acceptance will occur at the destination. The contract mandates strict adherence to technical and quality requirements, including DLA packaging requirements (RP001), MIL-STD-2073-1E for packaging, and MIL-STD-129 for marking. Specific restrictions are in place prohibiting the intentional addition of mercury and the use of additive manufacturing processes unless explicitly authorized. Offerors must comply with the Buy American Act, the Berry Amendment, and other domestic material restrictions. Administrative requirements include the use of the Wide Area WorkFlow system for invoicing and payment, and all quotes must be submitted via the DLA Internet Bid Board System.

DLA WEAPONS SUPPORT MARITIME SUPPLY CHAIN

POSTED

about 7 hours ago

DEADLINE

CMC 500 Essential package

Solicitation # PR504231

Oak Ridge National Laboratory, managed by UT-Battelle, LLC for the Department of Energy, is soliciting firm fixed price quotes for the procurement of two CMC 500 Essential packages and associated components from Omicron Electronics Corporation. The required equipment includes software modules for overcurrent, differential, and pulse ramping, wiring accessory packages, wireless adapters with antennas, transport cases, and three-phase generator cables. This is a combined procurement under NAICS code 334515, and the award will be granted to the lowest priced, technically acceptable proposal. To be eligible, the seller must be an authorized reseller of the products. Proposals are due by November 4, 2026, at 5:00 PM EST and must be submitted via email to the procurement officer. The submission must include a firm fixed price quote, a proposed delivery schedule, and completed abbreviated representations and certifications. The contract incorporates various Federal Acquisition Regulation clauses, including Brand Name or Equal and the Buy American Act. Compliance with cybersecurity standards derived from DOE OERL 205 I D and NIST SP 800-161 is required. Additionally, any personnel delivering items to the Oak Ridge, Tennessee site must be United States citizens or foreign nationals registered in the Foreign Access Central Tracking System.

Ornl Ut-Battelle Llc-Doe Contractor

POSTED

about 12 hours ago

DEADLINE

4 Series Mixed Signal Oscilloscope (MSO44B)

Solicitation # 80NSSC27941006Q

NASA/NSSC is seeking capability statements for the acquisition of a Tektronix MSO44B 4 Series Mixed Signal Oscilloscope and associated accessories to support embedded hardware bring-up, board-level debug, and signal integrity analysis at the NASA Ames Research Center in California. The required equipment must feature four analog input channels, 1 GHz bandwidth, a minimum record length of 31.25 M points per channel, and a perpetual, node-locked ultimate software bundle for advanced analysis. Additional requirements include an 8-channel logic probe, various specialized voltage and current probes using a common interface, a hard transit case, and a five-year calibration service with traceable certification. The government intends to issue a sole source contract to Tektronix under FAR 12.102(a), as they have been determined to be the sole provider of this specific oscilloscope. This procurement is being conducted as an acquisition of commercial items under FAR Part 12, and NASA FAR Supplement Clause 1852.215-84 regarding the Ombudsman is applicable. Interested vendors must submit written capability statements by October 30, 2026, referencing the notice ID. These statements will be used solely to determine if the procurement will be conducted on a competitive basis; formal quotes will not be evaluated at this stage.

National Aeronautics And Space Administration

POSTED

about 12 hours ago

DEADLINE

UH-60L/M Operational Test Program Sets

Solicitation # W912LA27QA002

The California Army National Guard Medical Readiness Detachment is issuing a Sources Sought notice under solicitation number W912LA27QA002 to identify potential vendors capable of providing Military UH-60L/M Black Hawk specific Operational Test Program Sets. This action is a request for information and not a formal solicitation. The primary objective is to procure equipment to test various aircraft electrical components and systems, which is critical for ensuring flight safety and maximizing aircraft readiness. The required items include four specific test program sets: P/N 991-000-00139-02 for Right-Hand Relay Panels, P/N 991-OTP-00014-02 for Blade De-Ice Distributors, P/N 991-OTP-00119-01 for BDI system control panels, and P/N 991-OTP-00120-01 for Left-Hand relay panels. Each set must include test program software on CD-ROM, test adapter cables in storage bags within rugged cases, and applicable test interface assemblies. The place of delivery for these items is 5168 E Dakota Ave, Fresno, California. Interested sources must submit their response, including vendor name, business size, unique entity ID, and a capability statement, to Mr. Manuel Jimenez via email by November 10, 2026. The procurement falls under NAICS code 334515 and currently has no designated set-aside. Because this is a market research effort, specific evaluation factors, contract values, and formal award criteria have not yet been established.

W7MX Uspfo Activity Ca Arng

POSTED

about 12 hours ago

DEADLINE

AFIT Lock in Amplifier

Solicitation # FA860127Q0010

Solicitation FA860127Q0010 is a combined synopsis and request for quotation for the procurement of one commercial off-the-shelf lock-in amplifier to support research at the Air Force Institute of Technology. The device must feature demodulation capabilities for DC up to 600 MHz or higher reference signals, a minimum input data sampling rate of 1-25 GSa/s, and integrated oscilloscope capability. The contract is a firm fixed price award with a delivery requirement of 60 days after receipt of order to Wright Patterson AFB, Ohio. A one year warranty from the date of acceptance is required. The award will be made based on the Lowest Price Technically Acceptable (LPTA) basis to the lowest priced offeror that is technically acceptable and conforms to all solicitation requirements. Offerors must be registered in the System for Award Management (SAM) and meet the mandatory minimum requirement of a CMMC Level 1 assessment. Quotes are due by November 11, 2026, at 4:00 PM EST and must be submitted electronically to the designated contract specialist and contracting officer. Submissions must include a completed Required Information Sheet and a detailed description of the supply to be considered.

FA8601 Aflcmc Pzio

POSTED

about 12 hours ago

DEADLINE

Solicitation # N4523A-27-Q-4002

Puget Sound Naval Shipyard IMF

POSTED

about 12 hours ago

DEADLINE

Supply of Indicating Thermometer (NSN 6685-01-115-8407)This subcontract involves the procurement or manufacture of one capillary tube indicating thermometer under NSN 6685-01-115-8407 for the DLA Weapons Support ASC Supplier Oper OEM Division. The contractor must ensure the device is mercury-free in accordance with IP056 and adheres to MIL-STD-129 marking requirements. Packaging must be handled as a delicate instrument following MIL-STD-2073-1E and RP001 standards. The final product is to be delivered FOB Destination to the USS GETTYSBURG CG 64. This requirement falls under NAICS code 334515 and is managed by the Department of Defense. The response deadline for this action is November 4, 2026.

DLA WEAPONS SUPPORT ASC SUPPLIER OPER OEM DIVISION

POSTED

DEADLINE

DISCHARGE INDICATOR

Solicitation # SPE4A5-26-T-050Y

This solicitation, issued by the Department of Defense ASC Supplier Oper OEM Division, is for the procurement of six Discharge Indicators under NSN 6625-01-527-4524. The contract requires delivery within 171 days after the order is placed, with performance located at Robins Air Force Base. The solicitation is categorized under NAICS code 334515 and is managed by point of contact Rasulbek Kilichev. The agreement incorporates specific DLA packaging and technical requirements, including RP001 and RA001, which are detailed in the DLA Master List of Technical and Quality Requirements. Additionally, requirement RQ011 mandates the removal of government identification from any non-accepted supplies. Alternate offerors are specifically required to submit a complete data package containing information for both the approved and alternate parts.

ASC SUPPLIER OPER OEM DIVISION

POSTED

DEADLINE

METER, SPECIAL SCALE

Solicitation # SPE7M1-27-U-0790

Solicitation SPE7M1-27-U-0790 is a HUBZone set-aside request for quotations issued by the DLA Weapons Support Maritime Supply Chain for the procurement of four special scale meters, identified by NSN 6625013224225. This requirement may result in a unilateral Indefinite Delivery Contract for a one-year period with a maximum contract value of 350,000.00 dollars. The delivery timeline is 70 days after order, with shipping handled under the First Destination Transportation program and FOB Origin terms. Both inspection and acceptance will occur at the destination. The contractor must adhere to strict technical and quality standards, including MIL-STD-2073-1E for packaging and MIL-STD-129 for marking. Special attention is required for hazardous materials, specifically regarding the restriction of mercury and the necessity of hazard warning labels and Material Safety Data Sheets. Compliance with the Buy American Act, Berry Amendment, and DFARS cybersecurity standards is mandatory. All payment requests and receiving reports must be processed electronically through the Wide Area WorkFlow system. Quotations are due by October 27, 2026, and must be submitted using Form SF18.

DLA WEAPONS SUPPORT MARITIME SUPPLY CHAIN

POSTED

DEADLINE

TEST BENCH, DIGITAL,

Solicitation # SPE7M1-27-U-0794

Solicitation SPE7M1-27-U-0794 is a Total Small Business Set-Aside issued by the DLA Weapons Support Maritime Supply Chain for the procurement of digital test benches, specifically Fluke Corp part number 1550C (NSN 6625-01-588-7039). This is a unilateral Simplified Indefinite-Delivery Contract (SIDC) with a maximum value of 350,000.00 USD for a one-year period. The estimated annual quantity is 28 units, with a guaranteed contract minimum of 4 units and a minimum delivery order quantity of 3 units. Delivery is required within 83 days after order, with FOB Origin terms and inspection and acceptance occurring at the destination. The items are identified as Commercial Off-The-Shelf (COTS) and are designated as critical application items. Compliance with several technical and quality standards is mandatory, including MIL-STD-2073-1E for packaging, MIL-STD-129 for marking, and DLA packaging requirements RP001. The contract strictly prohibits the intentional addition of mercury, except in specific functional components, and requires adherence to the Hazard Communication Standard for any hazardous materials. Additionally, the contractor must comply with the Buy American and Balance of Payments Program, CMMC Level 2 self-assessment requirements, and Covered Defense Information protocols. Invoicing and payment are processed electronically through the Wide Area WorkFlow system.

DLA WEAPONS SUPPORT MARITIME SUPPLY CHAIN

POSTED

DEADLINE

Solicitation # RFQ497626

UT-Battelle, LLC, acting as the management and operating contractor for Oak Ridge National Laboratory, has issued solicitation RFQ497626 for the procurement of a dual-channel 200V sourcemeter system (Part Number 2612B) and an associated power cord (Part Number PWRKI). The requirement is managed by the Neutron Sciences Division and is categorized under NAICS code 334515. Responses are due by November 3, 2026, and the procurement is based in Oak Ridge, Tennessee. The contract incorporates extensive federal and agency-specific regulations, including FAR and DEAR clauses. Key compliance requirements include the Buy American Act for supplies exceeding the micro-purchase threshold and strict adherence to Department of Energy cybersecurity and privacy programs, specifically DOE O 205.1D and NIST SP 800-171 for protecting controlled unclassified information. Depending on the final contract value, additional regulations regarding anti-kickback procedures, veteran employment reporting, and subcontractor sales restrictions may apply. Offerors must provide a Unique Entity ID via SAM.gov and complete abbreviated representations and certifications, including socioeconomic status and lobbying disclosures.

Ornl Ut-Battelle Llc-Doe Contractor

POSTED

DEADLINE

More opportunities from Department Of Defense → FA8601 Aflcmc Pzio

Same awarding agency

Electrical and CommunicationsThis subcontract opportunity involves the installation of electrical power, lighting, and communication systems for prime contractors on USAF facility projects located at Wright-Patterson Air Force Base. The scope of work includes conduit and wiring, power distribution, lighting, and data communications systems to deliver fully energized electrical and data infrastructure. Managed by the Department of Defense under the AFLCMC PZIO agency, this project is designated as a total Small Business Set Aside under NAICS code 238210. Interested parties must submit their responses by the deadline of December 11, 2026.

Electrical Contractors and Other Wiring Installation Contractors

POSTED

about 12 hours ago

DEADLINE

in about 1 month

HVAC and Mechanical SystemsThis subcontract opportunity involves the installation of heating, ventilation, and air conditioning systems for prime contractors working on United States Air Force facility projects at Wright-Patterson Air Force Base. The scope of work specifically covers HVAC ductwork, mechanical equipment installation, and mechanical piping to ensure the delivery of fully operational HVAC systems. Managed by the Department of Defense under the AFLCMC PZIO agency, this project is designated as a total small business set-aside under NAICS code 238220. Interested parties must submit their responses by December 11, 2026, for performance at the facility located in zip code 45433.

Plumbing, Heating, and Air-Conditioning Contractors

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Plumbing and Fire SuppressionThis subcontract opportunity involves the installation of plumbing and fire protection systems for prime contractors working on United States Air Force facility projects at Wright-Patterson Air Force Base. The scope of work includes general plumbing under Division 22 00 00 and the installation of fire suppression and sprinkler systems under Divisions 28 31 33 and 28 31 76 to ensure the delivery of functional potable water, waste, and fire suppression infrastructure. Managed by the Department of Defense under the AFLCMC PZIO agency, this project is designated as a total Small Business Set Aside under NAICS code 238220. The solicitation was posted on October 28, 2026, with a response deadline set for December 11, 2026. Performance will take place in zip code 45433.

Plumbing, Heating, and Air-Conditioning Contractors

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Interior Finishes and PaintingThis subcontract opportunity involves providing interior finishing and painting services for prime contractors on United States Air Force facility projects located at Wright-Patterson Air Force Base. The scope of work includes the installation of wall coverings and the application of coatings in accordance with Master Painters Institute standards 144, 146, and 147 to deliver fully finished interior surfaces. Managed by the Department of Defense under the AFLCMC PZIO agency, this project is designated as a total small business set-aside under NAICS code 238320. Interested parties must submit their responses by the deadline of December 11, 2026.

Painting and Wall Covering Contractors

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Doors, Windows and GlazingThis subcontract opportunity is for the supply and installation of doors, frames, and glass for prime contractors working on United States Air Force facility projects at Wright-Patterson Air Force Base. The scope of work includes the installation of hollow metal doors, specialty doors, and glazing, ensuring all deliverables meet NFPA 80, NFPA 101, and ANSI Z97.1 standards. Managed by the Department of Defense under the AFLCMC PZIO agency, this project is designated as a total small business set-aside under NAICS code 238150. The response deadline for this opportunity is December 11, 2026, with performance taking place in the 45433 zip code area.

Glass and Glazing Contractors

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Roofing and WaterproofingThis subcontract opportunity involves the installation of roofing systems and thermal and moisture protection for prime contractors working on United States Air Force facility projects at Wright-Patterson Air Force Base. The scope of work includes thermal insulation, roofing, and the application of joint sealants and waterproofing in accordance with ASTM C920 standards to ensure a completely watertight building envelope. Managed by the Department of Defense under the AFLCMC PZIO agency, this project is designated as a total Small Business Set Aside under NAICS code 238160. Interested parties must submit their responses by December 11, 2026, for performance located in the 45433 zip code area.

Roofing Contractors

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Metal and Wood Structural FramingThis subcontract opportunity involves the fabrication and installation of metal and wood structural elements for prime contractors working on United States Air Force facility projects at Wright-Patterson Air Force Base. The scope of work specifically covers cold-formed metal framing under Division 05 40 00 and rough carpentry and wood framing under Division 06 10 00, with a primary focus on delivering structural framing and interior wall supports. Managed by the Department of Defense under the AFLCMC PZIO agency, this project is designated as a total Small Business Set Aside under NAICS code 238120. The solicitation was posted on October 28, 2026, with a response deadline set for December 11, 2026. Performance of the contract will take place within the 45433 zip code area.

Structural Steel and Precast Concrete Contractors

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Concrete and Masonry InstallationThis subcontract opportunity involves the supply and installation of concrete and masonry units for prime contractors working on United States Air Force facility projects at Wright-Patterson Air Force Base. The scope of work includes cast-in-place concrete and concrete masonry unit installation, specifically focusing on the delivery of concrete slabs, foundations, and masonry walls using ASTM C129 and C207 materials. Managed by the Department of Defense under the AFLCMC PZIO agency, this project is designated as a total small business set-aside under NAICS code 238110. The solicitation was posted on October 28, 2026, with a response deadline set for December 11, 2026. Performance will take place within the 45433 zip code area.

Poured Concrete Foundation and Structure Contractors

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Underground Utilities and Fuel SystemsThis subcontract opportunity involves the installation of underground utilities and fuel systems for prime contractors supporting United States Air Force facility projects at Wright-Patterson Air Force Base. The scope of work specifically includes water and sewer utility installation under Division 33 11 00, as well as specialized JP-8 fuel system installation under Division 33 30 00, resulting in the delivery of completed underground utility lines and fuel storage and piping. Managed by the Department of Defense under the AFLCMC PZIO agency, this project is designated as a total Small Business Set Aside under NAICS code 237110. The solicitation was posted on October 28, 2026, with a response deadline set for December 11, 2026. Performance will take place within the 45433 zip code area.

Water and Sewer Line and Related Structures Construction

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Paving and Exterior ImprovementsThis subcontract for Paving and Exterior Improvements involves providing asphalt and concrete paving and landscaping services for prime contractors on United States Air Force facility projects at Wright-Patterson Air Force Base. The scope of work includes the execution of paving, aggregate installation, and exterior signage and striping to deliver completed roads, parking lots, and landscaped grounds. Managed by the Department of Defense under the AFLCMC PZIO agency, this opportunity is designated as a total Small Business Set Aside under NAICS code 237310. The project is located in zip code 45433, with a response deadline set for December 11, 2026.

Highway, Street, and Bridge Construction

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Site Preparation and EarthmovingThis subcontract opportunity involves providing site preparation, excavation, and grading services for prime contractors working on United States Air Force facility projects at Wright-Patterson Air Force Base. The scope of work includes executing earthwork, site clearing, and general preparation in strict accordance with Division 31 specifications to ensure sites are fully graded and ready for construction. Managed by the Department of Defense under the AFLCMC PZIO agency, this project is designated as a total Small Business Set Aside under NAICS code 238910. Interested parties must submit their responses by the deadline of December 11, 2026, for performance within the 45433 zip code area.

Site Preparation Contractors

POSTED

about 12 hours ago

DEADLINE

in about 1 month

2027-2034 Wright-Patterson Air Force Base Multiple Award Construction Contract (MACC)

Solicitation # FA860127R0004

The 2027-2034 Wright-Patterson Air Force Base Multiple Award Construction Contract (MACC) is a total small business set-aside IDIQ contract under NAICS 236220, with an overall maximum ceiling of 450 million dollars. This follow-on contract provides for design-build, design-bid-build, and Progressive Design Build construction projects at Wright-Patterson AFB and local USAF leased spaces. The scope of work is broad, encompassing new construction, alterations, repairs to buildings, roads, and airfields, specialty construction, utilities, and hazardous waste remediation, including asbestos and lead paint removal. The contract is structured across multiple ordering periods extending through October 2034, with individual task orders awarded via a Lowest Price Technically Acceptable process. The initial MACC award is based on technical acceptability, evaluating offerors on a pass/fail basis across factors including management and quality control plans, prior experience, technical execution of a sample project, bonding, and financial responsibility. Awardees must maintain a local office within a 150-mile radius of the base and adhere to strict security protocols for handling Controlled Unclassified Information and Covered Defense Information. Performance is subject to various federal and industry standards, including NFPA and ASTM, with final inspection and acceptance conducted by Civil Engineering at the destination. Invoicing and payments are processed electronically through the Wide Area WorkFlow system.

Commercial and Institutional Building Construction

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Ready to Pursue This Opportunity?

Get AI-powered intelligence on this solicitation and the ones like it

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Join 750+ contractors already using CLEATUS