The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure an autocolimator and similar replacement parts for repair and modification purposes. The procurement involves a single source negotiation for the supply of one unit, identified by NSN 7R-4920-015750494-QE, with delivery terms set to FOB Origin. These parts are critical for aircraft maintenance and repair, necessitating engineering source approval to ensure quality and compliance with government standards. Interested parties must contact Erin E. Dolan at (215) 697-2995 or via email at ERIN.E.DOLAN11.CIV@US.NAVY.MIL to express their interest or submit proposals, with a deadline for submissions set at 45 days from the notice publication date.