The government seeks a one-year contract for NSN 4810008180440HS, a linear direct valve (P/N 526574 or 52657-4), with a best estimated quantity of 287 EA under a range of 96–287 EA. Deliveries are scheduled monthly from January 2027 through December 2027, with most months requiring 24 EA and December requiring 23 EA. All deliveries are destined for Hill AFB, UT 84056-5734. Specifications, plans, or drawings are incomplete or unavailable from the government. Electronic procedures will be used, and all responsible sources may submit a capability statement, proposal, or quotation for consideration.