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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /331

    NAICS Demand Lane

    Primary Metal Manufacturing, Contract Opportunities

    3,442 total opportunities (3,442 active) tied to NAICS 331 across federal, state, local, and forecast sources.
    NAICS 331Federal + SLED3.4K total
    View NAICS definition →
    Total Opportunities
    3.4K
    Across all indexed sources
    Active Estimate
    3.4K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 331.

    DEPT OF DEFENSE

    47--PIPE ASSEMBLY,METAL

    Active

    AI Summary

    The Defense Logistics Agency is soliciting electronic quotes for 10 metal pipe assemblies, NSN 4710-01-506-1776, for delivery to DLA Distribution within 340 days after order. The approved source is 1R5C8, part number M158-4250. Specifications, drawings, and hard-copy solicitation documents are unavailable.

    OH

    Posted Oct 25, 2026Due Nov 5, 2026Combined Synopsis/SolicitationNAICS 331210Total Small Business Set-Aside (FAR 19.5)Sol: SPE7M427T1783
    View details→

    DEPT OF DEFENSE

    47--STRAINER,SEDIMENT

    Active

    AI Summary

    DLA is soliciting electronic quotes for three sediment strainers (NSN 4730-01-216-3185), with delivery to DLA Distribution within 545 days after award. Approved sources are identified by part numbers 90109000 and NS-4099 ASSY CL-1/2IN. Specifications, drawings, and hard copies are unavailable; all responsible sources m…

    OH

    Posted Oct 25, 2026Due Nov 5, 2026Combined Synopsis/SolicitationNAICS 331318Total Small Business Set-Aside (FAR 19.5)Sol: SPE7M327T0677
    View details→

    DEPT OF DEFENSE

    53--INSERT,SCREW THREAD

    Active

    AI Summary

    The Defense Logistics Agency is soliciting electronic quotes for 36 screw-thread inserts, NSN 5325-01-374-8306, for delivery to DLA Distribution San Joaquin within 254 days after award. Approved sources are identified as 35795 and 58417. Specifications, drawings, and hard copies are unavailable; all responsible sources…

    OH

    Posted Oct 25, 2026Due Nov 2, 2026Combined Synopsis/SolicitationNAICS 331315Sol: SPE7MC27T1171
    View details→

    DEPT OF DEFENSE

    16--DUCT ASSEMBLY,AIR C

    Active

    AI Summary

    The Defense Logistics Agency seeks electronic quotes for NSN 1660-01-162-6536, an air duct assembly. The procurement includes seven units and one additional unit, delivered to DLA Distribution within 511 and 90 days after order, respectively. The solicitation is set aside for small businesses, and all responsible sourc…

    VA

    Posted Oct 25, 2026Due Nov 2, 2026Combined Synopsis/SolicitationNAICS 331491Total Small Business Set-Aside (FAR 19.5)Sol: SPE4A727T1960
    View details→

    DEPT OF DEFENSE

    STRUCTURAL SECTION,

    Active

    AI Summary

    The Defense Logistics Agency is soliciting a quotation for a structural section classified as a critical safety item (NIIN 014617294). The procurement uses emergency acquisition flexibilities, requires ISO 9001 or equivalent quality controls, and provides no drawings. The notice does not specify the quantity or deliver…

    PA

    Posted Oct 24, 2026Due Nov 2, 2026SolicitationNAICS 331221Sol: SPRPA127QZA33
    View details→

    DEPT OF DEFENSE

    COUPLING ASSEMBLY

    Active

    AI Summary

    The Department of the Army is soliciting offers for a coupling assembly under a small business set-aside. Amendments clarify the part number and revise material condition requirements and offeror certifications. The notice identifies NAICS 331210; quantity, delivery terms, and other specifications are not provided in t…

    NY

    Posted Oct 23, 2026Due Oct 30, 2026Combined Synopsis/SolicitationNAICS 331210Total Small Business Set-Aside (FAR 19.5)Sol: W911S227U0077
    View details→

    NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

    ATI ALLOY SHEET

    Active

    AI Summary

    NASA/NSSC is seeking capability statements regarding a proposed sole-source purchase of ATI alloy sheet from ATI Flat Rolled Products Holdings, LLC for NASA Glenn Research Center. The notice is for market research only; quotes will not be considered. Interested vendors must reference the notice ID and submit written ca…

    MS

    Posted Oct 23, 2026Due Oct 27, 2026Special NoticeNAICS 331491Sol: 80NSSC27946614Q
    View details→

    ALUMINUM, 5" X 1/2" THICK, FLAT BAR,

    Active

    AI Summary

    The U.S. Coast Guard Surface Forces Logistics Center is requesting quotes for 15 aluminum flat bars, each 5 inches wide by 1/2 inch thick and 15 feet long, alloy 5086-H111. Delivery, including freight, is required FOB destination in Baltimore, Maryland, by May 17, 2027. Quotes are due by October 26, 2026, and substitut…

    Posted Oct 23, 2026Due Oct 26, 2026Combined Synopsis/SolicitationNAICS 331318Total Small Business Set-Aside (FAR 19.5)Sol: 2127407Q152141597
    View details→

    DEPT OF DEFENSE

    47--TUBE AND FITTINGS,META

    Active

    AI Summary

    The Defense Logistics Agency is soliciting electronic quotes for 10 units of tube and fittings (NSN 4710-01-361-2538) for delivery to USS Higgins (DDG 76) within 20 days after award. Digitized drawings and military specifications are available electronically; hard copies are not provided. All responsible sources may su…

    OH

    Posted Oct 22, 2026Due Nov 2, 2026Combined Synopsis/SolicitationNAICS 331210Total Small Business Set-Aside (FAR 19.5)Sol: SPE7M427T1714
    View details→

    DEPT OF DEFENSE

    47--CHANNEL,COOLER

    Active

    AI Summary

    The Defense Logistics Agency is soliciting quotes for 276 cooler channels, NSN 4710-01-611-9945, for delivery to DLA Distribution within 105 days after award. The solicitation identifies two approved sources, provides no hard-copy solicitation or technical drawings, and allows electronic quotes from all responsible sou…

    OH

    Posted Oct 22, 2026Due Nov 2, 2026Combined Synopsis/SolicitationNAICS 331420Total Small Business Set-Aside (FAR 19.5)Sol: SPE7L127Q0102
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    3,308
    sled
    131
    forecast
    3

    Related NAICS Codes

    • 33, 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

    • 331 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
    • Browse by State→

    About NAICS 331

    Primary Metal Manufacturing involves the smelting and refining of ferrous and nonferrous metals from ore, pig, or scrap and the production of metal shapes and forms. This sector includes establishments that produce basic metals such as iron, steel, aluminum, copper, and other metals.

    Read the full NAICS definition →