Sikorsky Aircraft Corp., Stratford, Connecticut, is awarded a $13,211,280 ceiling-priced order, undefinitized contract action for the procurement of the tail gearbox assembly used on the H-53K aircraft. All work will be performed in Stratford, Connecticut, and is expected to be completed by February 2026, with no option periods. Working capital (Navy) funds in the full amount of $13,211,280 will be obligated at the time of award and funds will not expire at the end of the current fiscal year. One company was solicited for this sole-source requirement under authority 10 U.S. Code 3204 (c)(1), with one offer received. Naval Supply Systems Command Weapon Systems Support, Philadelphia, Pennsylvania, is the contracting activity (N00383-22-F-X91W).