The U.S. Army is seeking sources to overhaul the Hydraulic Valve for the UH-60 Blackhawk, with an estimated quantity range of 40 to 232 units. This is a sources sought notice for market research only, not a request for bids, and no contract will be awarded from this announcement. The proposed contract would be a five-year, firm-fixed-price IDIQ arrangement, with performance expected at Redstone Arsenal, Alabama. Responses are due by 12:00 p.m. Central Daylight Time on 28 July 2026, submitted electronically to the Contract Specialist. No budget information is specified in this notice.