The U.S. Coast Guard Surface Forces Logistics Center is seeking quotations for 3 each of a rigid shaft coupling (NSN 3010-01-577-2001) used in WMEC propulsion/tail shaft applications. This is a commercial item combined synopsis/solicitation, and quotes must conform to strict Coast Guard packaging requirements—standard commercial packaging will not be accepted. The government intends to award a firm-fixed-price contract on an all-or-none basis to the lowest priced technically acceptable offeror. Offerors must be registered in SAM with a valid DUNS number, provide their TIN, and submit a completed FAR 52.212-3 with their quote. The applicable NAICS code is 333998 with a business size standard of 7C00.