This is a sole source solicitation for the purchase of three types of seals for the U.S. Coast Guard HC-144 aircraft, with performance expected at an unspecified location. The contract is anticipated to be awarded as a firm-fixed price purchase order to Airbus DS Military Aircraft, Inc., and all items must have clear traceability to that Original Equipment Manufacturer. Quotations are due by July 14, 2026, at 4:00 p.m. Eastern Time. No budget amount is specified in the description. The requirement is restricted, but all responsible sources may submit a quotation.