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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /335991

    NAICS Demand Lane

    Carbon and Graphite Product Manufacturing, Contract Opportunities

    223 total opportunities (223 active) tied to NAICS 335991 across federal, state, local, and forecast sources.
    NAICS 335991Federal + SLED223 total
    View NAICS definition →
    Total Opportunities
    223
    Across all indexed sources
    Active Estimate
    223
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 335991.

    DEPT OF DEFENSE

    59--SEGMENT,RING,ELECTRICA

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 4 units of electrical segment ring, NSN 5977013235398. This opportunity is a combined synopsis/solicitation under RFQ, and all responsible sources may submit quotes electronically. The procurement falls under FAR Part 13 - Simplified Acquisition Procedures.

    VA

    Posted Sep 22, 2026Due Sep 30, 2026Combined Synopsis/SolicitationNAICS 335991Total Small Business Set-Aside (FAR 19.5)Sol: SPE4A626T35DG
    View details→

    DEPT OF DEFENSE

    59--GROUNDING ASSEMBLY,SHA

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 7 units of grounding assembly, SHA, under NSN 5977016469894. This opportunity is a combined synopsis/solicitation and is set aside for small businesses. Quotes must be submitted electronically, and hard copies will not be provided. Specifications and drawings are not avai…

    VA

    Posted Sep 22, 2026Due Sep 30, 2026Combined Synopsis/SolicitationNAICS 335991Total Small Business Set-Aside (FAR 19.5)Sol: SPE4A626T35KU
    View details→

    DEPT OF DEFENSE

    RING,ELECTRICAL CON

    Archived

    AI Summary

    The Department of Defense is soliciting quotes for the RING, ELECTRICAL CON, a component of the AEGIS Weapons System. This opportunity requires compliance with higher-level contract quality requirements and ISO9001 standards. Bidders must provide detailed information about the original equipment manufacturer and ensure…

    PA

    Posted Sep 11, 2026Due Sep 11, 2026SolicitationNAICS 335991Sol: SPRMM126QKF46
    View details→

    DEPT OF DEFENSE

    59--RING ASSEMBLY,ELECTRIC

    Archived

    AI Summary

    The Department of Defense is seeking quotes for the procurement of electric ring assemblies under NSN 5977014205526. Interested vendors must submit their quotes electronically by the specified deadlines for delivery to DLA Distribution. All responsible sources are encouraged to participate.

    VA

    Posted Sep 9, 2026Due Sep 17, 2026Combined Synopsis/SolicitationNAICS 335991Sol: SPE4A626T27SX
    View details→

    DEPT OF DEFENSE

    59--HOLDER,ELECTRICAL C

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 2 units of electrical holders under NSN 5977016228886. This opportunity is a combined synopsis/solicitation and is classified as an RFQ. Quotes must be submitted electronically, and hard copies are not available. All responsible sources are encouraged to participate.

    VA

    Posted Sep 7, 2026Due Sep 15, 2026Combined Synopsis/SolicitationNAICS 335991Sol: SPE4A526T408W
    View details→

    DEPT OF DEFENSE

    59--RING ASSEMBLY,ELECTRIC

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 27 units of electric ring assembly, NSN 5977014329249. This is a source controlled item, and only approved sources may submit quotes. The solicitation is available electronically, and all quotes must be submitted electronically as well.

    VA

    Posted Aug 24, 2026Due Sep 1, 2026Combined Synopsis/SolicitationNAICS 335991Sol: SPE4A626T22BL
    View details→

    DEPT OF DEFENSE

    59--BRUSH,ELECTRICAL CONTA

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 6 units of electrical contact brushes under NSN 5977017077249. This opportunity is a combined synopsis/solicitation and is available electronically. All responsible sources may submit a quote, which will be considered if timely received.

    VA

    Posted Aug 23, 2026Due Aug 31, 2026Combined Synopsis/SolicitationNAICS 335991Sol: SPE4A626T21PG
    View details→

    DEPT OF DEFENSE

    59--SEGMENT,RING,ELECTRICA

    Archived

    AI Summary

    The Department of Defense is seeking quotes for the procurement of 4 units of electrical segment ring, NSN 5977013235398. This opportunity is available through an RFQ, and all responsible sources may submit their quotes electronically. Specifications and hard copies are not available.

    VA

    Posted Aug 18, 2026Due Aug 26, 2026Combined Synopsis/SolicitationNAICS 335991Sol: SPE4A626T19HG
    View details→

    DEPT OF DEFENSE

    59--GROUNDING ASSEMBLY,

    Archived

    AI Summary

    The Department of Defense is seeking quotes for the procurement of grounding assemblies under NSN 5977016469894. The solicitation is an RFQ, and interested vendors must submit their quotes electronically. The delivery is required within 171 days after order. Specifications and hard copies are not available.

    VA

    Posted Aug 18, 2026Due Aug 26, 2026Combined Synopsis/SolicitationNAICS 335991Small Business Set Aside - TotalSol: SPE4A626T19RJ
    View details→

    DEPT OF DEFENSE

    Carbon Filter Pellet Removal and Replacement- Amendment 2

    Archived

    AI Summary

    The 3rd Maintenance Squadron at Joint Base Elmendorf-Richardson requires the delivery, installation, and disposal of carbon filter media for air filtration systems. This includes 34,000 lbs of carbon pellets and adherence to OEM instructions for installation. The contractor must provide all necessary labor, materials, …

    AK

    Posted Aug 17, 2026Due Aug 26, 2026SolicitationNAICS 335991No Set aside usedSol: FA500026Q0037
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    223
    sled
    0
    forecast
    0

    Related NAICS Codes

    • 331, Primary Metal Manufacturing→
    • 3311, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 33111, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 331110, Iron and Steel Mills and Ferroalloy Manufacturing →
    • 3312, Steel Product Manufacturing from Purchased Steel→
    • 33121, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel→
    • 331210, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel→
    • 33122, Rolling and Drawing of Purchased Steel→
    • 331221, Rolled Steel Shape Manufacturing →
    • 331222, Steel Wire Drawing →

    Explore

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    About NAICS 335991

    This industry comprises establishments primarily engaged in manufacturing carbon and graphite products, such as carbon electrodes, carbon brushes, and graphite shapes. These products are used in various industrial applications including electrical, mechanical, and chemical processes.

    Read the full NAICS definition →