This is a sole-source solicitation for the purchase of ring seals in support of the U.S. Coast Guard HC144 aircraft, with performance expected at the contractor’s location. The requirement is restricted to General Electric Co. as the original equipment manufacturer, and all items must have clear traceability to that manufacturer. A firm-fixed price purchase order is anticipated, but no specific budget amount is provided in the description. Responses are due by June 22, 2026, at 4:00 p.m. Eastern Time. The applicable NAICS code is 336413, with a small business size standard of 1,250 employees.