The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is soliciting proposals for a Foreign Military Sales (FMS) spares purchase under the title "15--STEP ASASY." This procurement is a sole source requirement, indicating that the government does not possess sufficient data to contract with any source other than the current supplier, and it necessitates Government Source Approval prior to award. The items sought are critical for airframe structural components, classified under the NAICS code 336413 and PSC code 1560, emphasizing their importance in military aviation operations. Interested vendors must submit proposals along with the required documentation as outlined in the NAVSUP WSS Source Approval Brochure, which can be accessed online. For inquiries, potential bidders can contact Kate Schalck at 215-697-1020 or via email at kate.n.schalck.civ@us.navy.mil.