The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the procurement of 10 units of the Lever Assembly, Cable, identified by NSN 7R-1710-012789169-EY. This presolicitation notice indicates that the item is flight critical, requiring government source approval prior to contract award, as the technical data necessary for full and open competition is not available. Interested vendors must provide detailed information regarding their capability to produce this item, as well as any previous submissions for source approval, to ensure compliance with the stringent qualification requirements. Proposals must be submitted within 45 days of this notice, and interested parties can contact Kyle R. Matsinger at (215) 697-2995 or via email at KYLE.R.MATSINGER.CIV@US.NAVY.MIL for further information.