The Department of the Navy, through NAVSUP Weapon Systems Support (NAVSUP WSS) Philadelphia, is seeking qualified contractors to manufacture a Shutoff Duct, identified by NSN: 1680 016099114 and P/N: 2760000-101. This procurement is restricted to approved sources only, as the Government does not possess the necessary data for repairs or manufacturing, and requires suppliers to provide FAA-Certified parts accompanied by an FAA Authorized Release Certificate (FAA Form 8130-3). The items are critical for maintaining aircraft operational readiness, and all proposals must be submitted within five days of the publication of this notice. Interested parties should direct inquiries to Patrick Kilkenny at PATRICK.J.KILKENNY2.CIV@US.NAVY.MIL.