The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of Gearbox, Accessory D, under a fixed-price contract. This procurement requires compliance with various quality and inspection standards, and it is crucial for maintaining the operational readiness of naval aircraft, as the gearbox is a key component in aircraft engine systems. Interested vendors must ensure they are an approved source prior to award, as detailed in the NAVSUP WSS Source Approval Brochure, and must submit all required documentation with their proposals. For further inquiries, potential bidders can contact Charles Horan at 215-697-1303 or via email at CHARLES.F.HORAN@NAVY.MIL.