NSN 5310-011856231, Plain Castellated Hexagon Nuts, WSDC:06F, Aircraft, Hercules C-130

The Defense Logistics Agency Aviation is seeking to procure Plain Castellated Hexagon Nuts (NSN 5310-01-185-6231) for the Aircraft Hercules C-130 through an Indefinite Quantity Contract (IQC). The solicitation will require contractors to be certified by the Department of Defense to access unclassified data per DOD 5220.22M, which involves submitting a DD Form 2345 to the Defense Logistics Information Services. The complete solicitation will be available on the DLA Internet Bid Board System (DIBBS) on or about May 7, 2025, with a proposal due date of June 6, 2025. Contractors must download the PDF solicitation from the DIBBS website using Adobe Acrobat Reader and must be prepared to meet specific technical data access requirements. Inspection and acceptance of the procured items will occur at the point of origin, with goods delivered 531 days after the order date.

The contract is designated as a 100% Small Business set-aside, meaning only small businesses can compete for this opportunity. The estimated annual quantity is 1,244 units, and the contract will have a base period of 5 years with zero options. Current manufacturers of the specified parts include SPS Technologies LLC (CAGE 56878) with part number 83069-1018 and Avibank Mfg Inc (CAGE 84256) with part number AS298-102. The procurement falls under NAICS category 332722 for Bolt, Nut, Screw, Rivet, and Washer Manufacturing, and the specific Product Service Code is 5310 for Nuts and Washers. Potential bidders should carefully review the solicitation documentation and ensure they meet all certification and technical data access requirements before submitting their proposals.