This Sources Sought opportunity from Department Of Defense was posted on October 28, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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ISOLATION RINGS

Closed

N0016426SNB10Federal

Submission Closed11/14/2025, 07:00:00 PM UTC

Contract Overview

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

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NAICS: 335991

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High-Grade Carbon/Graphite Material SupplierThis subcontract, managed by the Department of Defense under the DLA Weapons Support ASC Supplier Operator OEM Division, seeks a supplier for high-grade raw carbon or graphite composite materials. The materials are required in the form of rods, blocks, or sheets to support prime contractors in the manufacture of Honeywell part number 2043924-1 electrical contact brushes. All supplied stock must adhere to exact OEM grade specifications and be accompanied by Material Test Reports or Certificates of Conformance to verify compliance. The performance of this contract takes place at Hill AFB. Interested parties must respond by October 23, 2026, regarding this requirement categorized under NAICS code 335991. The selected supplier will be responsible for delivering the verified raw material stock directly to the manufacturer.

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Supply of Non-Rechargeable Lithium Thionyl Chloride BatteriesThis subcontract, issued by the Department of Defense for DLA Distribution San Joaquin, involves the procurement and delivery of 42 non-rechargeable Lithium Thionyl Chloride batteries. The required items are identified as NSN 6135-01-687-6308, Part Number 147-E5542-00, and must be sourced specifically from L3 Aviation Products Inc. The batteries are required to have a 60-month shelf life and must be delivered to Tracy, California. The contract is designated as a Total Small Business Set-Aside under NAICS code 335991. Compliance requirements include adherence to the Buy American Act and ISO 9001:2015 standards. Additionally, the contractor must perform quality sampling in accordance with MIL-STD-1916 or ASQ H1331 to ensure all units meet the necessary specifications.

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Activated Pelletized Carbon Blanket Purchase Contract - NSOP

Solicitation # RFP-129901

The Hampton Roads Sanitation District is seeking bids for an Activated Pelletized Carbon Blanket Purchase Contract under solicitation number RFP-129901. The response deadline for this opportunity is October 26, 2026, at 6:30 PM. This solicitation is posted for advertisement purposes only, and interested parties must not respond via eVA. To participate, suppliers must be fully registered and approved in the HRSD ERP system before submitting a bid. Applicants should reference solicitation 408371 within the ERP system. Technical assistance and registration support are handled exclusively by the HRSD Help Desk, and bidders are instructed not to contact the listed buyer for additional solicitation documents.

Hampton Roads Sanitation District

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DEADLINE

Supply of Electrical Contact Brushes (NSN 5977-01-487-4875)This subcontract involves the supply of 12 specialized electrical contact brushes, identified by NSN 5977-01-487-4875 and Electric Boat Corporation part number 806780-0-01, for the DLA Weapons Support ASC Commodities Division. The contractor must ensure the components contain no intentional mercury and adhere to strict packaging and marking requirements per MIL-STD-2073-1E and MIL-STD-129. Delivery is set as FOB Origin to DLA Distribution San Joaquin in Tracy, California. The agreement mandates full compliance with the Buy American Act, the Berry Amendment, and DFARS cybersecurity standards. Operating under NAICS code 335991, the provider is responsible for delivering these critical parts to support prime contractors on Department of Defense projects.

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BRUSH, ELECTRICAL CONTA

Solicitation # SPE4A6-27-T-3932

Solicitation SPE4A6-27-T-3932 is a fixed-price contract issued by the DLA Weapons Support ASC Commodities Division for the procurement of 12 electrical contact brushes. The items are designated as critical application items, specifically Electric Boat Corporation part number 806780-0-01 (NSN 5977-01-487-4875). Delivery is required within 166 days after order, with an original required delivery date of December 29, 2026, and a need ship date of April 6, 2027. The items are to be delivered FOB Origin to DLA Distribution San Joaquin in Tracy, California. The contract mandates strict quality and safety compliance, including a prohibition on the intentional addition of mercury or mercury-containing compounds. Inspection and acceptance will occur at the origin, with sampling conducted according to MIL-STD-1916 or ASQ H1331. Packaging and marking must adhere to MIL-STD-2073-1E and MIL-STD-129, respectively. Contractors must utilize the Wide Area WorkFlow system for invoicing and payment. Key regulatory requirements include compliance with the Buy American Act, Berry Amendment, and DFARS cybersecurity standards for safeguarding covered defense information.

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Supply of pH Stabilized Virgin Granular Activated Carbon and Field Services

Solicitation # BD-27-1279-1279C-COH01-134352

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1279COH01 - Purchasing Dept.

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Supply of Electrical Capacitors (NSN 5999-01-517-2985)This subcontract involves the supply of 422 electrical capacitors under NSN 5999-01-517-2985 for the Department of Defense, specifically supporting the DLA Weapons Support Active Devices Division. The contractor is required to ensure all components comply with the Buy American Act and the Berry Amendment. Delivery is set for FOB Origin to the DLA Distribution DDSP in New Cumberland, Pennsylvania. Strict adherence to military standards is required for packaging and marking, specifically MIL-STD-2073-1E, MIL-STD-129, and RP001. Additionally, all hazardous materials must be labeled in accordance with 29 CFR 1910.1200. The procurement falls under NAICS code 335991, with a response deadline of October 23, 2026.

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Supply of 10 Amp Circuit Breakers (NSN 5925015504209)This subcontract involves the supply of five 10 Amp circuit breakers, identified by NSN 5925015504209, for prime contractors supporting the DLA Weapons Support Nuclear Reactor Program. The contractor is responsible for manufacturing or sourcing the breakers in strict accordance with MIL-PRF-55629/21G(1) and NAVAIR Aircraft Launch and Recovery Equipment traceability standards. Additionally, the items must comply with NAVSEA 5100-003D mercury containment regulations and MIL-STD-129 marking requirements. Packaging must be completed per MIL-STD-2073-1E, with final delivery of the units to Hill AFB on a FOB Origin basis. This procurement falls under NAICS code 335991 and is managed by the Department of Defense.

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Solicitation # SPE7M5-27-T-0719

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Activated Powder Carbon, As Needed Over 5-Year Period (Re-Bid)

Solicitation # ITB 6631-26

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Supplier of Electrical Contact Brush Carbon Stock (NSN 5977015683488)This subcontract, issued by the Department of Defense under the DLA Weapons Support ASC Commodities Division, requires the manufacture and supply of 42 units of specialized electrical contact brush carbon stock. The materials must strictly adhere to NSN 5977015683488 specifications and undergo rigorous quality assurance sampling according to MIL-STD-1916 or ASQ H1331 standards, with a requirement for zero non-conformance. The opportunity is designated as a Total Small Business Set-Aside under NAICS code 335991. Awardees must ensure full compliance with the Buy American Act, the Berry Amendment, and DFARS 252.204-7012 regulations. The solicitation was posted on October 7, 2026, with a response deadline of October 22, 2026.

DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

POSTED

13 days ago

DEADLINE

in 1 day

General Info

Agency

Department Of Defense → Nswc Crane

NAICS

335991 - Carbon and Graphite Product Manufacturing

Place of Performance

Set-Aside

SBA

Documents

No documents available

Documents will appear here when they are available.

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Timeline

1 update

PhaseClosed

PostedOct 28

Sources Sought

Notice updatedOct 28

Notice type changed from Sources Sought to Special Notice. The notice description changed.

Response DeadlineNov 14

Deadline has passed

Submission Closed

11/14/2025, 07:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Defense → Nswc Crane

Contacts2 people available

OfficeCRANE, IN, 47522-5001, USA

Organization / AgencyDepartment Of Defense → Nswc Crane

Office AddressCRANE, IN, 47522-5001, USA

Contacts

Steven Junkins

contact@example.gov

+1 (555) 000-0000

Leslie Graber-Heshelman

contact@example.gov

+1 (555) 000-0000

Full Description

N0016426SNB10 – REQUEST FOR INFORMATION (RFI)SOURCES SOUGHT – PROCUREMENT OF ISOLATION RINGS – PSC 5970 – NAICS 335991

Issue Date: 28 OCT 2025 – Closing Date: 14 NOV 2026 – 2:00 PM EDT

REQUEST FOR INFORMATION (RFI):

Amendment updates PSC from 5950 to 5970.

In accordance with Defense Federal Acquisition Regulation Supplement Procedures, Guidance, and Information (DFARS PGI) 206.302-1, the Government is issuing this RFI announcement as part of its market research. This RFI announcement is intended to determine the availability and technical capability of businesses to provide the required supplies.

BACKGROUND:

Naval Surface Warfare Center, Crane Division (NSWC Crane) is seeking information for market research purposes for the procurement of Isolation Rings. Isolation Rings are a component of the TR-343 Transducer system and under the cognizance of Naval Surface Warfare Center (NSWC), Crane Division. The TR-343 Transducer is part of the AN/SQS-53C Hull-Mounted Sonar Array, which is a component of the AN/SQQ-89(V) Anti-Submarine Warfare (ASW) System. The AN/SQQ-89(V) is a fully-integrated Surface Ship Undersea Warfare (USW) combat system with the capability to search, detect, classify, localize, and attack submarine targets. Isolation Rings are critical components required to provide the required electrical isolation for the piezoelectric device in the TR-343 Transducer system.

REQUESTED INFORMATION:

Interested parties are requested to provide the information that identifies its capability to provide isolation rings described herein. Please provide information on performance of other Government contracts with similar efforts as applicable.

The Government encourages participation by small business, small, disadvantaged business, HUBZone small business, woman-owned small business, veteran-owned small business, and historically black colleges and universities.

Interested parties must be properly registered in the System for Award Management (SAM) and may obtain information on SAM registration and annual confirmation requirements by calling 1-866-606-8220 or via the internet at https://www.sam.gov.

RESPONSES:

Written responses shall be submitted via e-mail to the points of contact listed below by the closing date.

NSWC Crane

Mr. Steven Junkins – Code 0232

Crane, Indiana 47522-5001

steven.l.junkins2.civ@us.navy.mil

NSWC Crane

Leslie Graber-Heshelman Code – 0232

Crane, Indiana 47522-5001

leslie.a.graber-heshelman.civ@us.navy.mil

RESPONSES TO THE RFI SHALL INCLUDE THE FOLLOWING:

Submitter's Name

Street Address, City, State, nine (9) digit Zip Code
Point of Contact (POC)
POC Telephone and

DUNS number

CAGE Code

Announcement Number: N0016426SNB10

This RFI is the initiation of market research under FAR Part 10. This announcement does not constitute an Invitation for Bids (IFB), a Request for Quote (RFQ), or a Request for Proposal (RFP) and it should not be construed as a commitment of any kind by the Government to issue a formal solicitation or ultimately award a contract.

Responses to this notice cannot be accepted as offers. The United States Government is in no way liable to pay for or reimburse any companies or entities that respond to this announcement. Any costs incurred by interested companies in response to this announcement will NOT be reimbursed. Nothing in this announcement constitutes an obligation on the part of the United States Government, nor is the Government tasking any Offeror to develop any technologies described herein.

All interested parties should provide the requested information regarding this announcement no later than 2:00 P.M. EDT on or before the closing date as specified at the beginning of this announcement. Responses may be submitted any time prior to expiration of this announcement. Responses received after 2:00 P.M. EDT on the closing date may not be considered in the Government's analysis.

All information marked as proprietary information will be safeguarded to prevent disclosures to non-government personnel and entities. Your interest in the response is appreciated.

All changes that occur prior to the closing date will be posted to the SAM website https://www.sam.gov.

Please reference Announcement Number N0016426SNB10 in all your correspondence.