This is a total small-business set-aside procurement for fixed-price supplies/repair parts, with FOB destination, WAWF invoice/receiving-report payment, and cybersecurity/security compliance requirements. The contractor must comply with extensive technical and quality requirements, maintain a Government-acceptable inspection system, use only specified document revisions, obtain approval for waivers/deviations, and exclude mercury. Technical documents (IRPODs, drawings, STDs, military specs, CIDs) are available via the BPMI e-commerce site, with certain nuclear-reactor publications requested from NAVSUP WSS-MECH Code N943 in Mechanicsburg, PA. Packaging must meet applicable cleanliness controls and MIL-PRF-23199/MIL-STD-2073 requirements, and a Certificate of Compliance per DI-MISC-81356 is required at material delivery. Pricing is valid for 60 days unless otherwise specified.