This is a Navy procurement for self-locking cap screws (FF-S-86 Type VIII, Grade N400, 0.250-20UNRC-3AX0.500) with a MIL-DTL-18240 self-locking element, designated Special Emphasis/DSSP Scope of Certification material for a critical shipboard system; non-metallic materials must meet NAVSEA toxicity and flammability requirements. The requirement is a total small business set-aside, and the quantity has been decreased. The delivery schedule requires certification CDRLs 20 days prior to delivery, PNSY review/acceptance within 18 working days after receipt, and final material delivery in 200 days. Contractors must maintain an ISO 9001 quality system (or MIL-I-45208 alternate) with specified calibration requirements and Government quality assurance at source, including detailed traceability, inspection/testing, waiver/deviation, and certificate-of-compliance obligations. Packaging is per MIL-STD-2073, and the DD1423 inspection and test plan may be waived if already on file at NAVSUP WSS Mechanicsburg.