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KEYSTONE ENGINEERING COMPANY INC,4401 E DONALD DOUGLAS DR,LONGBEACH CA 90808-1732

UEI: SLED_F0F3EBA50497DF6B

KEYSTONE ENGINEERING COMPANY INC,4401 E DONALD DOUGLAS DR,LONGBEACH CA 90808-1732 is a federal contractor, registered under UEI SLED_F0F3EBA50497DF6B. It has been awarded $4,530,492 in federal contracts. Primary work spans Other Aircraft Parts and Auxiliary Equipment Manufacturing.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_F0F3EBA50497DF6B

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

Keystone Engineering Company Inc operates within the aerospace and defense sector, specifically focusing on the manufacture of aircraft navigation instruments. The company's industry focus is centered on NAICS 336413, which encompasses the production of aircraft navigation instruments and specializ...

Key Performance Metrics

Awards Count

1

All time

Active

0

Currently performing

Completed

0

Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency

$4.5M100%

Awards by NAICS

336413 - Other Aircraft Parts and Auxiliary Equipment Manufacturing$4.5M100%

Awards by Agency Over Time

Awards by Place of Performance

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Open opportunities in KEYSTONE ENGINEERING COMPANY INC,4401 E DONALD DOUGLAS DR,LONGBEACH CA 90808-1732's top NAICS codes and agencies

Supply of Spacer, Sleeve (NSN 5365-01-034-2519)This subcontract, set aside for total small businesses under NAICS code 336413, involves the manufacture and delivery of 124,000 sleeve spacers, identified as NSN 5365-01-034-2519, for the Defense Logistics Agency Weapons Support ASC. The selected provider will supply these units to DLA Depots, ensuring all items are produced and delivered according to strict military and industry standards. Technical requirements include sampling per MIL-STD-1916 or ASQ H1331, packaging according to ASTM D3951 and RP001, and marking and labeling in compliance with MIL-STD-129. Additionally, the contractor must maintain CMMC Level 1 certification and adhere to all ITAR and EAR export control regulations to ensure the security and legality of the supply chain.

DLA WEAPONS SUPPORT ASC SUPPLIER OPER AE AND AF DIV

POSTED

about 11 hours ago

DEADLINE

Antenna-430 ADF Repair and Overhaul ServicesThis subcontract involves providing repair and overhaul services for the Antenna-430 ADF, A1, supporting prime contractors on projects for the Department of Defense Navsup Weapon Systems Support. The scope of work includes the complete teardown, evaluation, and modification of units, where defective components are identified and replaced based on approved repair manual limits. All work must be performed using specialized avionics testing equipment and must strictly adhere to IPC/EIAJ-STD-001C soldering standards to ensure units are delivered in Ready for Issue condition. The opportunity is categorized under NAICS code 336413 and was posted on October 20, 2026, with a response deadline of November 19, 2026. This technical engagement focuses on maintaining critical aviation components to meet rigorous military specifications and operational readiness requirements.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

Aircraft Wheel Component SupplyThis subcontract, titled Aircraft Wheel Component Supply, involves providing replacement components, seals, and hardware to prime contractors supporting NAVSUP Weapon Systems Support aircraft wheel overhaul projects. The scope specifically focuses on delivering certified aircraft-grade replacement parts and aviation-grade alloys that meet approved repair manual specifications for NSN 1630-14-597-7780. Managed under the Department of Defense, the contract requires strict adherence to the Buy American Act and Trade Agreements certifications. Additionally, the supplier is responsible for providing Material Safety Data Sheets for any hazardous materials delivered. The solicitation was posted on October 20, 2026, with a response deadline of November 19, 2026, falling under NAICS code 336413.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

Aircraft Wheel Half Repair and Overhaul ServicesThis subcontract for Aircraft Wheel Half Repair and Overhaul Services supports NAVSUP Weapon Systems Support projects within the Department of Defense. The scope of work involves the comprehensive teardown, evaluation, repair, and overhaul of aircraft wheel halves under NSN 1630-14-597-7780. The selected provider will be responsible for disassembling units, cleaning and inspecting parts according to approved manuals, replacing defective components, and reassembling the units using specialized fixtures, jigs, and test equipment. All deliverables must be provided in Ready for Issue condition and must strictly comply with MIL-STD-130 and MIL-STD-129 standards. This opportunity falls under NAICS code 336413, with a response deadline set for November 19, 2026.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

Flight Model Solar Array Wings SupplyThis subcontract involves the supply of flight-ready, qualified solar panel sets for prime contractors working on NASA/NSSC TERP RAPTOR 12U CubeSat projects. The selected provider is responsible for manufacturing solar array wings that adhere to strict space-flight specifications, utilizing space-grade solar cells, flight-qualified substrates, and deployment mechanisms specifically designed for the 12U CubeSat standard. All deliverables must meet the rigorous acceptance and verification standards established by the NASA Goddard Space Flight Center. The final requirement is the delivery of a complete set of flight-ready solar array wings, with performance taking place in Greenbelt, Maryland.

National Aeronautics And Space Administration

POSTED

about 16 hours ago

DEADLINE

Component Evaluation and InspectionThis subcontract, titled Component Evaluation and Inspection, is issued by the Navsup Weapon Systems Support under the Department of Defense. The project involves performing technical evaluations and inspections of spoiler assemblies for prime contractors working on Department of the Navy aerospace projects. The primary objective is to identify structural cracks, corrosion, or fatigue through the application of Non-Destructive Testing methods, specifically X-ray, Ultrasonic, and Dye Penetrant techniques. Qualified providers must hold ASNT or equivalent aerospace inspection certifications to ensure technical compliance. The final deliverable for this engagement is a detailed evaluation report that includes specific recommended repair actions. The solicitation was posted on October 20, 2026, with a response deadline of November 19, 2026, and falls under NAICS code 336413.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

Spoiler Assembly Component SupplyThis subcontract, titled Spoiler Assembly Component Supply, is issued by Navsup Weapon Systems Support under the Department of Defense. The agreement focuses on the procurement of aerospace-grade replacement parts, fasteners, and sub-components necessary for the repair of NSN 1680-01-650-9016. The supplier is responsible for sourcing OEM or approved equivalent parts that match Reference Number 81205 113A4600-406 to support prime contractors on Department of the Navy aerospace repair projects. To ensure regulatory and origin compliance, the provider must furnish Buy American and Trade Agreements certifications. The contract falls under NAICS code 336413, with a posting date of October 20, 2026, and a response deadline of November 19, 2026.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

Spoiler Assembly Teardown and RepairThis subcontract, managed by Navsup Weapon Systems Support for the Department of Defense, involves the teardown, evaluation, and repair of NRP Spoiler Assemblies (NSN 1680-01-650-9016) for Department of the Navy aerospace projects. The selected contractor will be responsible for disassembling the units, conducting technical evaluations for wear and damage, and performing necessary repairs or modifications in strict accordance with OEM or military specifications. The work requires the use of precision measuring instruments and aerospace-grade tooling to ensure the delivery of certified, serviceable assemblies. Additionally, the contractor must possess CAV RP reporting capabilities to meet the administrative requirements of the project. The solicitation was posted on October 20, 2026, with a response deadline of November 19, 2026, under NAICS code 336413.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

Aircraft Skin Component Supplier (NSN 1560-01-723-6222)This subcontract involves the supply of aircraft skin components for prime contractors supporting US Navy NAVSUP Weapon Systems Support projects. The selected supplier is responsible for manufacturing or sourcing parts that strictly adhere to NSN 1RD 1560-01-723-6222 QF specifications. All deliverables must be packaged according to MIL-STD-2073 and marked in accordance with MIL-STD-129, with final delivery directed to shipping point W25G1U. To ensure quality and precision, the contractor must maintain ISO 9001 or SAE AS9100 certification. Additionally, all equipment used in the process must be calibrated to NCSL Z540.3 or ISO 10012 standards. This opportunity falls under NAICS code 336413 and requires responses to be submitted by November 19, 2026.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

Supply of Attitude Indicators (NSN 6610-01-432-3229)This subcontract, issued by the Department of Defense through the Pa DLA Aviation At Philadelphia, involves the supply of Attitude Indicators under NSN 6610-01-432-3229 for NAVAIR aviation component projects. The selected provider is responsible for manufacturing or procuring units that strictly adhere to TDP Version 003, ensuring that all hardware, software, and firmware are fully aligned with the established equipment baseline. The contractor must ensure all units are marked according to MIL-STD-130 and packaged in compliance with MIL-STD-2073. To qualify, the provider must maintain ISO 9001 certification and demonstrate compliance with DFARS 252.204-7012. The final deliverable consists of the physical indicator units, fully marked and packaged for delivery.

Pa DLA Aviation At Philadelphia

POSTED

about 16 hours ago

DEADLINE

Fuel Relief Valve Teardown and RepairThis subcontract with Navsup Weapon Systems Support involves the teardown, evaluation, repair, and modification of Fuel Relief Valves under NSN 7RH 2915-01-201-6004 EK. The scope of work includes conducting wear analysis, implementing approved repair procedures, and performing necessary environmental and quality conformance testing to deliver a fully certified, repaired valve for US Navy aviation projects. The contractor must maintain ISO 9001 or SAE AS9100 certification and utilize measuring and test equipment calibrated to NCSL Z540.3 or ISO 10012 standards. This opportunity falls under NAICS code 336413, with a response deadline set for November 19, 2026.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

Aviation Component Parts SupplierThis subcontract, managed by Navsup Weapon Systems Support under the Department of Defense, involves the supply of replacement parts, seals, and hardware for Air Pressure Regulators, specifically part number 166001039791. These components are intended for prime contractors working on Department of the Navy aviation projects. The supplier is required to provide OEM or approved equivalent aviation-grade seals and valves, ensuring all materials meet strict quality and origin standards. Key deliverables include the physical parts along with necessary quality certifications in compliance with Trade Agreements and hazardous materials modal regulations. The opportunity was posted on October 20, 2026, with a response deadline of November 20, 2026. The contract falls under NAICS code 336413, focusing on the specialized procurement of aviation component parts.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

in about 1 month

Flap Assembly Component FabricationThis subcontract for Flap Assembly Component Fabrication involves the production of precision-machined parts for prime contractors supporting Department of the Navy C130 aircraft projects. The scope of work includes the fabrication of structural ribs, hinges, and replacement brackets utilizing CNC machining and aerospace-grade alloys. To ensure quality and compliance, the provider must hold SAE AS9100 or ISO 9001 certification and deliver all components with full material and dimensional certifications. Managed by Navsup Weapon Systems Support under NAICS code 336413, the contract mandates strict adherence to DFARS 252.211-7003 for IUID marking and the provision of mill test reports. The solicitation was posted on October 20, 2026, with a response deadline of October 26, 2026.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

NIIN:LLW2AA020/P/N:279A146-1/NOM:ESM REC PROCESSOR

Solicitation # N0038327QF192

Solicitation N0038327QF192 is a sole source requirement issued by NAVSUP Weapon Systems Support Philadelphia for the repair of one ESM Receiver Processor, identified by NSN 9999LLW2AA020 and Part Number 279A146-1. The objective is to restore the government-owned article to operating condition, with the government intending to award the contract to Lockheed Martin due to a lack of sufficient data to contract with other sources. The initial induction period is 365 calendar days from the date of award, with a government option to extend for an additional 365 days. Contractors must provide pricing for the initial quantity and separate pricing for the second year if costs change. The period of performance is scheduled from October 16, 2026, to December 18, 2026, with a delivery schedule of 365 calendar days from the lead time event. The contract requires strict adherence to original manufacturer specifications and drawings for all inspection and testing. Packaging must meet best standard commercial practices for overseas shipment, specifically following MIL-STD-2073-1 for OCONUS shipments and ASTM D3951-18 for CONUS shipments, with specific requirements for electrostatic discharge protection and MIL-STD-129 marking. Inspection and acceptance will occur at the contractor's plant, coordinated through a Government Quality Assurance Representative. Offerors must be compliant with ISO 9001 quality standards and provide all necessary data from the NAVSUP WSS Source Approval Brochure to be considered for award. Payment and invoicing will be processed electronically via the Wide Area WorkFlow system.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

REGULATOR,AIR PRESS

Solicitation # N0038325QD135

This fixed-price solicitation from Navsup Weapon Systems Support is for the repair, overhaul, upgrade, and testing of Air Pressure Regulators (NSN 1660-01-039-7911) to return them to a Ready For Issue condition. The contractor is responsible for providing all labor, materials, and tooling, as the government will not provide manufacturing aids. Key performance requirements include a Repair Turnaround Time of 183 days after asset receipt and an induction expiration date 365 days after the contract award. The scope includes strict adherence to quality standards such as ISO 9001/SAE AS9100 and ANSI/NCSL Z540 for calibration, with a specific prohibition on the use of MIL-W-81381 wire in favor of SAE-AS22759 series wire. The government intends to make a single award based on the most advantageous offer, weighing past performance as more important than price. Evaluation will utilize the Supplier Performance Risk System to assess item, price, and supplier risks. Packaging must comply with MIL-STD-2073 and MIL-STD-129, with specific requirements for DLR labeling and oxygen clean standards per MIL-STD-1330 where applicable. Administrative requirements include electronic invoicing via Wide Area Workflow and compliance with Buy American and Balance of Payments programs. Quotes must be submitted via email to the designated contracting officer by the specified deadline.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

in about 1 month

Advance Cockpit System (ACS) LTC

Solicitation # N0038325RE050

Solicitation N0038326RE050 is a Firm-Fixed-Price, requirements-type contract issued by NAVSUP Weapon Systems Support for the repair of four specific components within the F-18 Advanced Cockpit System (ACS): Large Area Displays, Display Units, Television Cameras, and Aircraft Control Panels. The contract structure consists of a three-year base period with two one-year options. The primary objective is to return these items to a Ready For Issue (RFI) condition, with technical definitions provided to classify repairs as Minor or Major and guidelines for Beyond Economical Repair notifications. The scope has been expanded via amendment to include Foreign Military Sales requirements for Australia and Kuwait. Contractors must adhere to strict military standards for packaging and marking, specifically MIL-STD-2073-1 and MIL-STD-129, with additional requirements for electrostatic discharge protection and unique item identification. Inspection and acceptance are conducted at the source by the DCMA, utilizing governing repair manuals or the contractor's current technical specifications. Administrative requirements include electronic invoicing through the Wide Area WorkFlow system and compliance with cybersecurity standards, including CMMC and DFARS 252.204-7012. Offerors must submit a separate cost proposal and a Proposal Adequacy Checklist, providing pricing data from recent similar sales.

Navsup Weapon Systems Support

POSTED

about 16 hours ago

DEADLINE

in about 1 month

49--GAGE,PUSH-PULL,DIAL

Solicitation # SPE4A727T1634

POSTED

about 16 hours ago

DEADLINE

NSN: 1650-008980874, Desc. Parts Kit, Drive, Ove, SPE4A727R0069,WSDC 05F, AIRCRAFT,STRATOLIFTER C/KC-

Solicitation # SPE4A727R0069

POSTED

about 16 hours ago

DEADLINE

in about 2 months