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NAICS Code· 331521

NAICS 331521: Aluminum Die-Casting Foundries

NAICS 331521 - Aluminum Die-Casting Foundries covers the specialized manufacturing of aluminum components through the die-casting process. This industry involves forcing molten aluminum under high pressure into steel molds to create complex, high-precision parts with consistent dimensions and surface finishes.

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NAICS 331521 FAQ

Frequently Asked Questions

NAICS code 331521 stands for Aluminum Die-Casting Foundries. It is a North American Industry Classification System code used by the federal government to classify business activity for procurement and contracting purposes.

To find government contracts for NAICS 331521 (Aluminum Die-Casting Foundries), start by searching on CLEATUS where you can filter by NAICS code, agency, set-aside type, and more. Register your business on SAM.gov with NAICS 331521 listed in your entity profile. Monitor new solicitations, review incumbent contractors, and analyze agency spending patterns to prepare competitive proposals. Browse NAICS 331521 opportunities now.

Recently Posted in Aluminum Die-Casting Foundries

Aluminum Alloy 5052 Sheet SupplierThis subcontract involves the supply of 82 aluminum alloy metal sheets for prime contractors delivering to DLA Distribution San Joaquin. The required materials must be Alloy 5052, Temper H32, with dimensions of 0.080 inches by 48 inches by 96 inches, adhering to SAE AMS-QQ-A-250/8C and ASTM B660 standards. To ensure quality and compliance, the supplier must maintain a QSLD listing and provide a Certificate of Quality Compliance. Logistical requirements specify that materials be packaged according to MIL-STD-2073-1E and ASTM B660 Level A. The delivery terms are FOB Origin, with the final destination being Tracy, California. This procurement falls under NAICS code 331521 and is managed by the Department of Defense.

DLA DIST SAN JOAQUIN

POSTED

DEADLINE

Certified Aerospace Aluminum SupplyThis subcontract, titled Certified Aerospace Aluminum Supply, involves the provision of raw aerospace-grade aluminum material for prime contractors supporting DLA Weapons Support ASC aerospace contracts. The supplier is required to deliver aluminum stock that strictly adheres to Sikorsky Technical Data Package alloy and temper requirements. To ensure the integrity of critical application items, the contractor must provide comprehensive material certifications and Mill Test Reports for full traceability, while maintaining strict compliance with the Buy American Act. Managed by the Department of Defense under the DLA Weapons Support ASC Supplier OR OEM Division, the contract falls under NAICS code 331521. The place of performance is located in New Cumberland, Pennsylvania. Interested parties must note the response deadline of October 22, 2026, following the posting date of October 14, 2026.

DLA WEAPONS SUPPORT ASC SUPPLIER OPER OEM DIVISION

POSTED

DEADLINE

Aluminum Alloy 6061-T651 Bar SupplyThis subcontract, issued by the Department of Defense through the Warner Robins agency, is for the supply of cold-finished round aluminum alloy 6061 in T-651 temper. The required materials must be 5.000 inches in diameter and range from 10 to 12 feet in length, strictly adhering to ASTM B666/B666M-20 and SAE AMS4117M specifications. The opportunity was posted on August 5, 2026, with a response deadline of August 17, 2026. Performance for this contract will take place at Robins Air Force Base, zip code 31098-1887, and falls under NAICS code 331521.

POSTED

CLOSED

about 2 months ago

53--EYELET,METALLIC

Solicitation # SPM5A912T2818

POSTED

over 14 years ago

CLOSED

over 14 years ago

36--Pintle Ball & Pintle Bushings for Illinois Waterway, Peoria, IL.

Solicitation # W912EK11T0072

POSTED

about 15 years ago

CLOSED

about 15 years ago

81--315 Oxcon Cylinders

Solicitation # N6133111T0503

Naval Surface Warfare Center

POSTED

over 15 years ago

CLOSED

over 15 years ago

53--EYELET,METALLIC

Solicitation # SPM4A510THU10

POSTED

over 16 years ago

CLOSED

over 16 years ago

34--PIPE BENDING DIES

Solicitation # N0040609T1708

Navsup Flt Logistics Ctr Puget Sound

POSTED

about 17 years ago

CLOSED

about 17 years ago

53--INSERT,SCREWTHREAD

Solicitation # SPM5AB09T6979

POSTED

over 17 years ago

CLOSED

over 17 years ago

53--INSERT,SCREWTHREAD

Solicitation # SPM5A409TH131

POSTED

over 17 years ago

CLOSED

over 17 years ago

HWS0686, HWS1607, HWS2973

Solicitation # EP2525-09

Inc Federal Prison Industries

POSTED

over 17 years ago

CLOSED

over 17 years ago

A--US-1 AND US-2 HARDWARE

Solicitation # 220070906

POSTED

over 18 years ago

CLOSED

over 18 years ago

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