The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is seeking to procure inertial navigation and other replacement parts, specifically identified by NSN 7R-6605-016320381-P8 and reference number 4987669-2, with a quantity of 2 each. This procurement is critical for maintaining navigational instruments used in various defense applications, ensuring operational readiness and reliability. The government intends to solicit and negotiate with only one source under FAR 6.302-1, and all responsible sources are encouraged to express their interest and capability to fulfill the requirement within 45 days of this notice. Interested parties can contact Kelly M. Lynch at (215) 697-3566 or via email at KELLY.M.LYNCH5.CIV@US.NAVY.MIL for further details.