The Department of Homeland Security, specifically the U.S. Coast Guard, is seeking quotations for the procurement of machine bolts and self-locking nuts essential for the SKF propulsion shaft keyless coupling used on the 154 WPC vessels. The requirement includes 200 units each of a specific bolt (part number 10492895) and nut (part number 10493101), both manufactured by Fastenal Company, with strict adherence to packaging, marking, and inspection standards as outlined in military specifications. Interested vendors must submit their quotations by April 4, 2025, at 9:00 AM Eastern Standard Time, and should direct inquiries to Eric Goldstein at Eric.I.Goldstein@uscg.mil. The contract will be awarded on a firm fixed-price basis, with the expectation of a non-competitive sole source purchase order.