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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /331512

    NAICS Demand Lane

    Steel Investment Foundries, Contract Opportunities

    25 total opportunities (25 active) tied to NAICS 331512 across federal, state, local, and forecast sources.
    NAICS 331512Federal + SLED25 total
    View NAICS definition →
    Total Opportunities
    25
    Across all indexed sources
    Active Estimate
    25
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 331512.

    DEPT OF DEFENSE

    47--COUPLING HALF,QUICK DI

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 421 units of coupling half, quick disconnect, NSN 4730013298316. This opportunity is a combined synopsis/solicitation under RFQ, and all responsible sources may submit a quote electronically. Specifications and hard copies are not available.

    OH

    Posted Aug 11, 2026Due Aug 21, 2026Combined Synopsis/SolicitationNAICS 331512Sol: SPE7M326T8172
    View details→

    DEPT OF DEFENSE

    47--COUPLING HALF,QUICK

    Archived

    AI Summary

    The Department of Defense is soliciting quotes for 27 units of coupling half, quick, under NSN 4730014614472. This RFQ may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and hard copies are not available. The estimated total order value is $350,000.

    OH

    Posted Jun 29, 2026Due Jul 14, 2026Combined Synopsis/SolicitationNAICS 331512Sol: SPE7M126U4078
    View details→

    DEPT OF DEFENSE

    47--COUPLING HALF,QUICK DI

    Archived

    AI Summary

    The Department of Defense is soliciting quotes for 10 units of coupling half, quick disconnect under NSN 4730010152907. This RFQ may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and hard copies are not available. All responsible sources are encouraged to partici…

    OH

    Posted Jun 29, 2026Due Jul 14, 2026Combined Synopsis/SolicitationNAICS 331512Sol: SPE7M126U4139
    View details→

    DEPT OF DEFENSE

    47--COUPLING HALF,QUICK

    Archived

    AI Summary

    The Department of Defense is soliciting quotes for 35 units of coupling half, quick (NSN 4730012556196) under an RFQ. This procurement may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and hard copies are not available. The estimated total order value is $350,000…

    OH

    Posted Jun 29, 2026Due Jul 14, 2026Combined Synopsis/SolicitationNAICS 331512Sol: SPE7M126U4049
    View details→

    DEPT OF DEFENSE

    47--COUPLING HALF,QUICK

    Archived

    AI Summary

    The Department of Defense is soliciting quotes for 80 units of coupling half, quick (NSN 4730011289144) under an RFQ. This procurement may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and hard copies are not available. The estimated total order value is $350,000…

    OH

    Posted Jun 29, 2026Due Jul 14, 2026Combined Synopsis/SolicitationNAICS 331512Sol: SPE7M126U4044
    View details→

    DEPT OF DEFENSE

    LEVER CASTINGS FOR THE WATERVLIET ARSENAL

    Archived

    AI Summary

    The opportunity involves the procurement of lever castings for the Watervliet Arsenal, specifically for the 120mm M256 and 105mm M20 cannons. Bidders are required to provide first articles as specified in the drawings. This solicitation is set aside for small businesses and does not fall under Simplified Acquisition Pr…

    NY

    Posted May 7, 2026Due May 22, 2026SolicitationNAICS 331512Total Small Business Set-Aside (FAR 19.5)Sol: W911PT26QA075
    View details→

    DEPT OF DEFENSE

    59--TERMINAL,QUICK DISC

    Archived

    AI Summary

    The Department of Defense is soliciting quotes for 203 units of quick disconnect terminals under NSN 5940005352628. This RFQ may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and hard copies are not available. The estimated minimum order is 20 units, with deliver…

    VA

    Posted Apr 6, 2026Due Apr 21, 2026Combined Synopsis/SolicitationNAICS 331512Historically Underutilized Business (HUBZone) Set-Aside (FAR 19.13)Sol: SPE4A626U2479
    View details→

    DEPT OF DEFENSE

    Rudder Sleeves - LSD Class Ship

    Archived

    AI Summary

    The Department of the Navy is seeking quotes for the procurement and delivery of long lead time materials, specifically rudder sleeves for LSD-class ships. This opportunity is a Request for Quotation (RFQ) under NAICS code 331512, with a delivery date required by March 19, 2026. Interested vendors should respond accord…

    CA

    Posted Dec 1, 2025Due Dec 5, 2025Combined Synopsis/SolicitationNAICS 331512No Set aside usedSol: N5523626Q0011
    View details→

    DEPT OF DEFENSE

    LSD CLASS SHIP RUDDER SLEEVES

    Archived

    AI Summary

    The Department of Defense is soliciting quotes for LSD Class Ship Rudder Sleeves under RFQ N5523626Q0003. This is a total small business set-aside, and quotes must be submitted by eligible small businesses. The delivery date for long lead time materials is required by 19 March 2026.

    CA

    Posted Nov 4, 2025Due Nov 14, 2025SolicitationNAICS 331512Total Small Business Set-Aside (FAR 19.5)Sol: N5523625Q0003
    View details→

    DEPT OF DEFENSE

    LSD CLASS SHIP RUDDER SLEEVES

    Archived

    AI Summary

    The Department of Defense is soliciting quotes for LSD Class Ship Rudder Sleeves under RFQ N5523626Q0003. This is a total small business set-aside, and quotes must be submitted by eligible small businesses. The delivery date for long lead time materials is required by March 19, 2026.

    CA

    Posted Oct 24, 2025Due Nov 14, 2025SolicitationNAICS 331512Total Small Business Set-Aside (FAR 19.5)Sol: N5523625Q0003
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    25
    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

    • 331512 Definition→
    • Browse NAICS Codes→
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    About NAICS 331512

    Steel Investment Foundries are establishments primarily engaged in producing steel castings by the investment casting process. They manufacture complex and precise steel parts used in various industries such as automotive, aerospace, and machinery.

    Read the full NAICS definition →