The U.S. Coast Guard is seeking quotes for 8 units of a specific Rolls-Royce digital coupler (NSN 5895-01-726-1229), a component for the 154 Fast Response Cutter’s main diesel engines. This is a brand-name mandatory requirement, and offers of equal products must meet specified characteristics for consideration. Items must be individually packaged, cushioned, and boxed per strict military standards (MIL-STD-2073-1E, ASTM-D5118), with marking and bar-coding per MIL-STD-129R and ISO/IEC-16388-2007; failure to comply will result in rejection. The contract will be awarded on an all-or-none, firm-fixed-price basis to the lowest price technically acceptable offeror. No budget amount or performance location is specified in the description.