This is a Navy submarine procurement for manufacture of a Gasket conforming to MIL-H-21367(SH), MIL-H-21367/1(SH) Item 12, and ASTM-D4066 Type PA0314 (Group 03/11 Nylon, Class 1, Grade 4), since MIL-M-20693B is cancelled. The supplier must mark each production lot unit per MIL-STD-130, notify NSWCPD in Philadelphia, PA after award, and maintain a quality inspection system to MIL-I-45208 or ISO 9001 and NCSL Z540.3 or ISO 10012, with a written Quality Inspection and Test Plan requiring Government approval prior to production. Material control, 100% visual/dimensional inspection, production lot testing/inspection reports, and Mercury Exclusion Certification are required, with Government approval prior to shipment; final inspection and acceptance are by DCMA-QAR with NSWCPD, and OQED records must be retained 365 calendar days after final delivery. The item must be mercury-free, packaging follows MIL-STD-2073, and warranty is one year after delivery with defects to be reported within 45 days of discovery; NAICS is 332722 with a 500-employee small-business size standard.