The Department of Defense, through the NAVSUP Weapon Systems Support office, is seeking to procure four units of the "STEP ASASY" airframe structural component from Sikorsky on a sole source basis. This procurement is critical as it involves the acquisition of a specific part identified by NSN 1R-1560-014667305-VH and part number 70207-26001-046, which is essential for military operations, and no alternative sources are approved to manufacture this item. Interested parties are invited to submit capability statements or proposals within 45 days of this notice, although the government anticipates a single acceptable offer from Sikorsky, and the procurement will not be delayed for source approval requests. For further inquiries, interested organizations can contact Kate N. Schalck at (215) 697-1020 or via email at kate.n.schalck.civ@us.navy.mil.