28--ENGINE,DIESEL, IN REPAIR/MODIFICATION OF

The U.S. Navy is seeking a qualified, previously‑approved source to provide repair and modification services for two diesel engines (NSN 7R‑2815‑014553705‑SX). The solicitation is restricted to vendors already on the Navy’s approved source list; new vendors must submit extensive source‑approval documentation. Delivery is FOB origin, and the government does not possess sufficient data to award the contract through open competition. The work involves technical repair, possible engineering modifications, and compliance with military specifications and qualified product lists. Interested parties must reference NAVSUP Weapon Systems Support (WSS) source‑approval brochures and may need to obtain related specifications from DODSSP or ASSIST‑Online. • Item: Diesel engine, repair/modification, quantity 2 • NSN: 7R‑2815‑014553705‑SX, TDP VER 003 • Delivery: FOB origin (vendor ships to government) • Only pre‑approved sources may bid; new vendors must submit source‑approval package • Technical data, QPL/QPD, and applicable military specifications must be provided • Contact: Bridget M. Murphy (primary) for clarification and submission guidance.