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

The Navy is seeking qualified sources to repair/modify two diesel engines (NSN 7R‑2815‑014553705‑SX) under a fast‑track source‑approval process. The solicitation emphasizes that only previously approved sources may be considered unless a new source receives rapid approval, and all proposals must include detailed technical data per NAVSUP WSS source‑approval brochures. Delivery is FOB origin, and the work is considered flight‑critical, requiring strict compliance with FAR 52.209‑1. • Quantity: 2 engines, repair/modification required. • Must be an approved NAVSUP Weapon Systems Support source, or submit full source‑approval documentation with the proposal. • Delivery FOB origin; no indication of location, implying shipment to Navy facilities. • Tight timeline: response due by Nov 3 2026, with no allowance for new source qualification delays.