This is a total small business set-aside solicitation for the manufacture and supply of specialized fasteners (screws) designated as Level I/SUBSAFE material for critical shipboard systems. The required item is a 1/2-inch, 2 1/4-inch long, Grade 400 (QQ-N-281) hexagon head cap screw, with delivery of material due 365 days after contract award and certification data due 20 days prior. Performance of services is not specified, but the contract includes stringent quality, traceability, and certification requirements under MIL-DTL-1222 and ISO-9001, with Government quality assurance at source. No budget amount is specified. The solicitation allows for multiple awards at the CLIN level, and vendors may offer on any or all CLINS.