This is a 100% small business set-aside solicitation for a firm fixed-price contract to supply 20 units of a specific OEM flexible coupling insert from CENTA CORPORATION, with delivery required by September 4, 2026. The place of delivery is the USCG Yard in Baltimore, MD (2401 Hawkins Point Road, Bldg 88). Award will be made on an all-or-none basis to the lowest cost technically acceptable offeror, with delivery considered as important as cost. Interested vendors must be able to provide the OEM parts directly, as no proprietary information or technical data will be provided. All responsible sources must be registered in SAM and submit their quotation by the specified closing time.