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NAICS Code· 335991

Carbon and Graphite Product Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing carbon, graphite, and metal-graphite brushes and brush stock; carbon or graphite electrodes for thermal and electrolytic uses; carbon and graphite fibers; and other carbon, graphite, and metal-graphite products. Cross-References.Show more

NAICS 335991 – Carbon and Graphite Product Manufacturing encompasses the production of specialized materials composed of carbon and graphite, including electrodes, crucibles, brushes, seals, heat sinks, and structural components used in high-temperature, high-wear, or electrically conductive environments. These products are critical in aerospace propulsion systems, nuclear reactor components, semiconductor manufacturing equipment, and advanced defense applications requiring thermal stability and electrical insulation.

5
Active Contracts
$15.5M
Total Obligations (12mo)
82
Awarded Contracts (12mo)
55
Contractors Awarded (12mo)
+50.2%
YoY Growth

Contract Opportunities

Active solicitations and awarded contracts classified under NAICS 335991 — Carbon and Graphite Product Manufacturing.

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NAICS 335991 FAQ

Frequently Asked Questions

NAICS code 335991 covers Carbon and Graphite Product Manufacturing. This U.S. industry comprises establishments primarily engaged in manufacturing carbon, graphite, and metal-graphite brushes and brush stock; carbon or graphite electrodes for thermal and electrolytic uses; carbon and graphite fibers; and other carbon, graphite, and metal-graphite products. Cross-References.

Recently Posted in Carbon and Graphite Product Manufacturing

NAICS: 335991
Awarded
DIBBS
DUMMY LOAD, ELECTRICALThe Defense Logistics Agency has awarded a contract to PATTERSON COONEY INC under solicitation SPE7M5-26-T-284M for the procurement of a single electrical dummy load, identified by NSN 5985013136595 and PR 7017315722, with a total value of $1,079.00. The award was issued on July 13, 2026, and the contract is classified as a federal award without a specified set-aside or NAICS code, indicating it was issued under standard acquisition procedures. The contract is managed by the Department of Defense, and the place of performance and office address details are not provided, suggesting the item may be delivered to a general defense logistics location. The point of contact information is absent, and the contract is accessible via the DIBBS portal for official record purposes.
Defense Logistics Agency

POSTED

1 day ago

DEADLINE

N/A
View Details
NAICS: 335991
New
DIBBS
Supply of Electrical Clamps (NSN 5999010095459)The contract mandates the firm-fixed-price delivery of 1,325 commercial off-the-shelf electrical clamps identified by NSN 5999010095459 to fulfill requirements for the U.S. Army Tank Automotive Command located in Warren, Michigan. This is a subcontract under the Defense Logistics Agency, which operates under the Department of Defense, and the work is governed by the NAICS code 335991 for other electrical equipment and component manufacturing. The delivery is expected to support operational readiness through the provision of standardized, non-custom electrical components. The contract was posted on July 13, 2026, and while specific performance locations and point of contact details are not provided, the place of performance is tied to the receiving activity in Warren, MI. Payment terms are fixed, meaning the contractor assumes all cost risks and must deliver the full quantity of clamps at the agreed-upon price without adjustments.
Defense Logistics Agency

POSTED

1 day ago

DEADLINE

N/A
View Details
NAICS: 335991
Awarded
DIBBS
CLAMP, ELECTRICALThe Defense Logistics Agency awarded Contract SPE7M126PZ076 on July 13, 2026, to CAGE code 19207 for the procurement of a single electrical clamp item identified by NSN 5999010095459, with a total contract value of $150,925.00. The award was processed as a unilateral modification under simplified acquisition procedures, referencing FAR 13.302(a) or 12.303(a), and administered through the DIBBS portal. The contract does not include detailed line-item pricing, quantities, delivery schedules, or FOB terms, and no specific packaging, inspection, or technical specifications are documented. The only explicitly incorporated clause is FAR 52.222-90, addressing discrimination based on diversity, equity, and inclusion, which was added via deviation 2026-00040, Revision 1, and applies to the contractor’s compliance obligations. The contractor is required to submit a Post-Award Request through DIBBS, and all communications must reference the amendment number P00001. The contracting officer is Jeremiah Young, reachable through the DLA Land and Maritime office, with payment issued by DLA Land and Maritime in Columbus, Ohio, and potential delivery originating from the U.S. Army Tank Automotive Command in Warren, Michigan. No contract type is specified, socioeconomic status or small business designation is stated, and no Contracting Officer’s Representative or quality inspection standards are identified. The entire award is structured as a minimal administrative modification with no options, performance metrics, or cost breakdowns documented beyond the total dollar amount.
Defense Logistics Agency

POSTED

1 day ago

DEADLINE

N/A
View Details
NAICS: 335991
Awarded
DIBBS
CABLE ASSEMBLY, POWEThe Defense Logistics Agency has awarded R & M Government Services Inc under contract SPE4A626PX475 for a cable assembly, power, with a total contract value of $263,848.65. The award was issued on July 13, 2026, following solicitation SPE4A6-26-T-562A, and the item is identified by NSN 6150015298424 and PR number 7015245668. The contract is a federal award under the Department of Defense with no specified set-aside or NAICS code, indicating it was competed without restrictions. Performance location and point of contact details are not provided, but the award notice is accessible via the DIBBS portal for official records.
Defense Logistics Agency

POSTED

1 day ago

DEADLINE

N/A
View Details
NAICS: 335991
New
DIBBS
BRUSH, ELECTRICAL COThe contract pertains to the procurement of 21 electrical brush units with part number 806780-0-01 and NSN 5977-01-487-4875, to be delivered FOB origin with no variance in quantity. Delivery is required within 169 days, with an original due date of September 23, 2026, and a need ship date of January 3, 2027. The item is designated as a critical application and must comply with stringent quality and packaging standards, including MIL-STD-2073-1E for preservation and MIL-STD-129 for marking, with no special marking required. All packaging must adhere to DLA’s packaging requirements, and mercury or mercury-containing compounds are strictly prohibited in preservation, packaging, and marking processes, with limited exceptions for functional uses in fluorescent lamps or instruments, which must include a secondary containment boundary as specified by NAVSEA 5100-003D. Sampling and inspection are governed by MIL-STD-1916 or ASQ H1331 with zero non-conformances required unless otherwise stated, and inspection and acceptance occur at origin. Documentation must include a Certificate of Conformance unless withheld by a Quality Assurance Letter of Instruction, and all technical and quality requirements are incorporated by reference from the DLA Master List. The item is to be delivered to the specified warehouse in Tracy, CA, and transportation is subject to DLAD procedural notes C19 and C20.
ASC COMMODITIES DIVISION

POSTED

5 days ago

DEADLINE

in 3 days
View Details
NAICS: 335991
Awarded
DIBBS
COVER, ELECTRICAL REThe Defense Logistics Agency has awarded a contract to G.T. MACHINING & FABRICATING LTD. with CAGE code 3AR59 for the supply of one line item: COVER, ELECTRICAL RE, identified by NSN 5945015735690 and PR 7017234732. The total contract value is $19,922.91, and the award was issued on July 9, 2026, under solicitation number SPE7M5-26-T-272D. The contract is classified as a federal award with no specified set-aside or NAICS code, and the performance location details remain unspecified. The award notice was posted on the DIBBS system, with the official record accessible via the provided DIBBS link. The contracting agency is the Department of Defense through the Defense Logistics Agency, though no point of contact or physical address information is provided in the contract data.
Defense Logistics Agency

POSTED

5 days ago

DEADLINE

N/A
View Details
NAICS: 335991
Awarded
DIBBS
JUNCTION BOX ASSEMBThe Defense Logistics Agency awarded SIKORSKY AIRCRAFT CORPORATION a delivery order under contract SPE4A122G0005 for a junction box assembly with NSN 5975015584327, priced at $16,925.38. The award was issued on July 9, 2026, following solicitation SPE4A7-26-T-255K, and is classified as a federal action under the Department of Defense. The item is a critical electrical component used in military aviation systems, and the contract does not specify a set-aside type or NAICS code. Performance location and point of contact details are not provided, but the award is accessible through the DIBBS system via the provided UI link. The delivery order is fully funded and completed under the parent contract, with no indication of additional line items or obligations beyond this single procurement.
Defense Logistics Agency

POSTED

5 days ago

DEADLINE

N/A
View Details
NAICS: 335991
Awarded
DIBBS
SOLENOID, ELECTRICALThe Defense Logistics Agency has awarded Cummins Inc. under contract SPE7L126FAR7E for a single line item: a solenoid, electrical, identified by NSN 5945013079255 and PR 7017431909, with a total contract value of $175.84. The award was issued on July 8, 2026, and is issued as a delivery order under the parent contract SPE7LX21D0007. This procurement is classified as a federal action under the Department of Defense and lacks any designated set-aside or NAICS code, indicating it is not reserved for small businesses or specific categories. The place of performance and office address details are unspecified, but the contracting agency operates under the U.S. federal structure. The contract was posted and processed through the DIBBS portal, with the official record accessible via the provided UI link.
Defense Logistics Agency

POSTED

6 days ago

DEADLINE

N/A
View Details
NAICS: 335991
Awarded
DIBBS
CONNECTOR, RECEPTACLE, ELECTRICALThe Defense Logistics Agency has awarded a delivery order under contract SPE7LX21D0087 to ATLANTIC DIVING SUPPLY, INC. with CAGE code 1CAY9 for the procurement of a single line item: CONNECTOR, RECEPTACLE, ELECTRICAL, identified by NSN 5935014384062 and PR 7017431557. The total contract value is $10.06, and the award was issued on July 8, 2026. This action was processed through the DIBBS system under solicitation SPE7LX26FAYMU, classified as a federal award with no specified set-aside or NAICS code. The place of performance and office address details are not provided, but the award is administered by the Department of Defense through the DLA, with the official record accessible via the DIBBS portal.
Defense Logistics Agency

POSTED

6 days ago

DEADLINE

N/A
View Details
NAICS: 335991
Closed
DIBBS
FUSE BOXThe contract pertains to the procurement of a fuse box with NSN part number 5920-01-683-6265, for a quantity of five units, under purchase request number 7015905034. The solicitation number is SPE7L4-26-T-3135, issued by the Defense Logistics Agency under the Department of Defense, with a posted date of July 7, 2026, and a response deadline of July 10, 2026. The North American Industry Classification System code 335991 indicates this is for other electrical equipment and component manufacturing. The solicitation is open to federal entities with no specific set-aside designation, and the place of performance and office address details are not provided. Interested parties must submit responses through the DIBBS online portal via the provided link before the stated deadline.
Defense Logistics Agency

POSTED

7 days ago

CLOSED

4 days ago
View Details
NAICS: 335991
DIBBS
PROTECTOR, ELECTRICAThe Defense Logistics Agency, under the Department of Defense, has issued a solicitation for three electrical protectors identified by NSN 5975-01-668-6557 under purchase request 7017409658. The solicitation, numbered SPE4A7-26-T-556S, was posted on July 7, 2026, with responses required by July 15, 2026. This is a federal procurement action without a specified set-aside or NAICS code, indicating it is open to general competition. The product is intended for federal use, and performance location details are not specified, suggesting delivery may be to any U.S. military or defense facility as required. All inquiries and submissions must be made through the DIBBS platform using the provided UI link.
Defense Logistics Agency

POSTED

7 days ago

DEADLINE

in about 22 hours
View Details
NAICS: 335991
Closed
DIBBS
ARRESTER, LIGHTNINGThe contract is for the procurement of two lightning arresters under NSN 5920-01-655-3485, solicited by the Defense Logistics Agency on behalf of the Department of Defense. The solicitation, identified by number SPE7M5-26-T-280G, was posted on July 6, 2026, with a response deadline of July 9, 2026, indicating a narrow window for vendor submissions. The item falls under the NAICS code 335991, which classifies it within the other electrical equipment and component manufacturing sector. There is no set-aside designation specified, meaning the opportunity is open to all eligible contractors. The place of performance and office address details are not provided, but the contracting agency is based in the United States. All communication and submission must be directed through the designated DIBBS portal linked in the contract data.
Defense Logistics Agency

POSTED

8 days ago

CLOSED

5 days ago
View Details

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