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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /33631

    NAICS Demand Lane

    Motor Vehicle Gasoline Engine and Engine Parts Manufacturing, Contract Opportunities

    2,286 total opportunities (2,286 active) tied to NAICS 33631 across federal, state, local, and forecast sources.
    NAICS 33631Federal + SLED2.3K total
    View NAICS definition →
    Total Opportunities
    2.3K
    Across all indexed sources
    Active Estimate
    2.3K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 33631.

    DEPT OF DEFENSE

    29--ACTUATOR,ELECTROMEC, IN REPAIR/MODIFICATION OF

    Active

    AI Summary

    The Navy is soliciting repair, testing, and inspection of an electromechanical actuator, NSN 2910-01-696-9261, part number 826615-5, in accordance with approved procedures and the applicable statement of work. The contractor must maintain a compliant quality system, provide repair and inspection documentation, and meet…

    PA

    Posted Oct 24, 2026Due Oct 28, 2026SolicitationNAICS 336310Sol: N0038327QNA07
    View details→

    DEPT OF DEFENSE

    O RING

    Active

    AI Summary

    DLA is conducting market research for potential manufacturers of O-ring NSN 5331-15-027-4544. Interested sources should complete and return the attached market survey by the response deadline. Companies seeking approval as an alternate source may submit a Source Approval Request package through DLA Land and Maritime’s …

    OH

    Posted Oct 23, 2026Due Oct 31, 2026Sources SoughtNAICS 336310Sol: SPE7L127Q0106
    View details→

    DEPT OF DEFENSE

    48--MANIFOLD,VALVE

    Active

    AI Summary

    DLA is soliciting electronic quotes for five valve manifolds, NSN 4820-00-277-1721, for delivery to DLA Distribution Depot Oklahoma within 158 days after order. The approved source is CAGE 79318, part number 225222. Specifications, drawings, and hard copies are unavailable; all responsible sources may submit quotes.

    OH

    Posted Oct 22, 2026Due Nov 2, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7MC27T1101
    View details→

    DEPT OF DEFENSE

    29--COVER AND SOLENOID ASS

    Active

    AI Summary

    DLA is soliciting electronic quotes for 60 cover and solenoid assemblies (NSN 2910-00-466-7473), to be delivered to DLA Distribution Anniston within 168 days after order. The approved source is CAGE 01843, part number CV8816A. Specifications, drawings, and hard-copy solicitation documents are unavailable; all responsib…

    OH

    Posted Oct 22, 2026Due Nov 2, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7L527T0293
    View details→

    DEPT OF DEFENSE

    48--PLUNGER,ACTUATOR

    Active

    AI Summary

    The Defense Logistics Agency is soliciting quotes for 74 plunger actuators (NSN 4810-01-641-9472), to be delivered to DLA Distribution Cherry Point within 50 days after order. The notice identifies approved source 96487, part number V44703-329-1. Quotes must be submitted electronically; specifications, drawings, and ha…

    OH

    Posted Oct 20, 2026Due Nov 2, 2026Combined Synopsis/SolicitationNAICS 336310Sol: SPE7MC27T0881
    View details→

    DEPT OF DEFENSE

    29--VALVE,POSITIVE CRANKCA

    Active

    AI Summary

    The Defense Logistics Agency is soliciting electronic quotes for NSN 2990-01-147-9284, a positive crankcase valve. The procurement includes 1,345 units and one additional unit, delivered to DLA Distribution, with delivery required 135 and 30 days after order, respectively. The solicitation is set aside for small busine…

    OH

    Posted Oct 19, 2026Due Oct 30, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7L127T1749
    View details→

    DEPT OF DEFENSE

    29--NOZZLE,FUEL INJECTI

    Active

    AI Summary

    The Department of Defense is seeking quotes for 398 units of fuel injectors (NSN 2910015664206). This opportunity is a combined synopsis/solicitation under RFQ procedures. Quotes must be submitted electronically, and hard copies will not be provided. All responsible sources are encouraged to participate.

    OH

    Posted Oct 18, 2026Due Oct 29, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7L527T0256
    View details→

    DEPT OF DEFENSE

    29--GENERATOR,ENGINE ACCES

    Active

    AI Summary

    The Department of Defense is seeking quotes for 64 units of generator engine access under NSN 2920015959464. 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…

    OH

    Posted Oct 18, 2026Due Oct 29, 2026Combined Synopsis/SolicitationNAICS 336310Total Small Business Set-Aside (FAR 19.5)Sol: SPE7L527T0254
    View details→

    DEPT OF DEFENSE

    53--O-RING

    Active

    AI Summary

    The Department of Defense is soliciting offers for O-Rings specifically designed for use in Seal Delivery Vehicles. This procurement emphasizes strict compliance with quality standards due to the critical nature of the application. The deadline for submissions is November 16, 2026, at 4:30 PM EST.

    PA

    Posted Oct 16, 2026Due Nov 16, 2026SolicitationNAICS 336310Sol: N0010426QFG23
    View details→

    DEPT OF DEFENSE

    53--O-RING

    Active

    AI Summary

    The Department of Defense is soliciting offers for O-Rings specifically designed for use in Seal Delivery Vehicles. This procurement emphasizes strict compliance with quality standards due to the critical nature of the application. Interested vendors should ensure adherence to specified materials and manufacturing proc…

    PA

    Posted Oct 16, 2026Due Nov 16, 2026SolicitationNAICS 336310Sol: N0010426QFG26
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    2,257
    sled
    28
    forecast
    1

    Related NAICS Codes

    • 33, Manufacturing→
    • 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→

    Explore

    • 33631 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
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    About NAICS 33631

    This industry comprises establishments primarily engaged in manufacturing motor vehicle gasoline engines and engine parts. These products are used in passenger cars, trucks, and other motor vehicles.

    Read the full NAICS definition →