The Department of Defense, through the NAVSUP Weapon Systems Support office, is seeking to procure a sole source item, specifically the "Accumulator, Head AS" with part number 70103-28042-041. This procurement involves a quantity of one unit, identified by NSN 7R-1650-011589664-VH, and is critical for the operation of aircraft hydraulic systems. The government intends to negotiate exclusively with Sikorsky for this requirement, as they are the only source capable of fulfilling the agency's needs, and interested parties have 45 days to submit their capability statements for consideration. For further inquiries, interested vendors can contact Kate N. Schalck at (215) 697-1020 or via email at kate.n.schalck.civ@us.navy.mil.