The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the procurement of a coupler transmission, identified by NSN 1R-5985-017197038-P8, with a quantity of one unit required for delivery FOB origin. This item is classified as a commercial/nondevelopmental/off-the-shelf product, which is critical for flight operations, necessitating government source approval prior to contract award. Interested vendors must ensure they meet the qualification requirements and submit necessary documentation as outlined in the NAVSUP WSS Source Approval Information Brochures, with proposals due within 45 days of the notice publication. For further inquiries, interested parties can contact Danielle M. Junod at (215) 697-1138 or via email at DANIELLE.M.JUNOD.CIV@US.NAVY.MIL.