The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is seeking proposals for the procurement of 35 units of Aircraft Sheave Roller, identified by NSN 1H-3110-015380198-SQ and part number 4491153-52. This procurement is critical as the sheave roller is a component of the Sub Antenna Systems, and the government intends to solicit full and open competition for these spare parts, which are exclusively available from the Original Equipment Manufacturer (OEM). Interested parties must submit their capability statements or proposals by May 6, 2025, with the anticipated award date set for May 21, 2025. For further inquiries, contact Jessica Grzywna at jessica.t.grzywna.civ@us.navy.mil or by phone at (215) 697-5095.