The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the procurement of transmission and other replacement parts necessary for repair and modification purposes. The requirement includes 14 units of National Stock Number (NSN) 7R-3010-123915959-SX, with delivery terms set to FOB Origin, and the procurement will be conducted under the authority of FAR 6.302-1, indicating that the government intends to negotiate with only one source. This procurement is critical for maintaining operational readiness and ensuring the functionality of naval systems. Interested parties are encouraged to submit their proposals, quotations, or capability statements within 45 days of this notice, and should direct inquiries to Andrew N. Phillips at (215) 697-5047 or via email at ANDREW.N.PHILLIPS10.CIV@US.NAVY.MIL.