The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking suppliers for the procurement of valve, vent-check, and similar replacement parts, with a presolicitation notice issued for this opportunity. The requirement includes 12 units of NSN 7H-4820-014901836-L1, with delivery terms set as FOB Origin, and the government holds complete rights to the technical data package, indicating no restrictions on engineering or manufacturing. These parts are critical for maintaining operational readiness and reliability in naval systems, and the procurement is open to full and open competition, although interested vendors may propose commercial items within 15 days of the notice. For further inquiries, interested parties can contact Madison Gray at (717) 605-4056 or via email at MADISON.M.GRAY4.CIV@US.NAVY.MIL.