Cap screw SCH slflk

The Department of the Navy Naval Supply Systems Command seeks quotations for 40 self-locking hex head cap screws (NSN 1HM 5305-01-733-0460), with quotes due June 5, 2026 and delivery required 186 days from award. This is a Total Small Business set-aside.

Quotations are submitted to NAVSUP Weapon Systems Support in Mechanicsburg, Pennsylvania; inquiries go to A. Perry at (717) 605-7574 or ashton.k.perry.civ@us.navy.mil. The material is designated as Deep Submergence Systems Program (DSSP) Scope of Certification, critical to shipboard systems, and will receive DO-rating under the Defense Priorities and Allocations System (DPAS).

Material specifications require Grade 500 K-MONEL per QQ-N-286 in solution annealed and age hardened condition, 1.000-inch size, 1.500-inch length, 8 UNC thread series, Class 2A fit, and self-locking elements per MIL-DTL-18240. Compliance with MIL-DTL-1222 for studs, bolts, and hex cap screws is mandatory. Critical testing and certifications include liquid penetrant inspection, ultrasonic inspection on starting material 4 inches or greater in diameter, and wedge tensile testing on full-size fasteners. Contractors must maintain heat/lot traceability with permanent marking per MIL-STD-792.

Quality system requirements mandate ISO-9001 or MIL-I-45208 compliance with calibration per ISO-10012 or MIL-STD-45662. Government quality assurance inspection occurs at the contractor's facility; certification data copies are required prior to shipment. Material must achieve 85 percent of Navy shelf-life requirements upon receipt. NAICS code is 332722, Bolt, Nut, Screw, Rivet, and Washer Manufacturing; PSC is 5305, Screws.