48--VALVE,BUTTERFLY, IN REPAIR/MODIFICATION OF

This solicitation seeks repair and modification services for ten butterfly valves (NSN 7R‑4820‑014729777‑KB). The work must be performed under engineering source approval, with the approved source retaining data rights and technical knowledge. The government will consider proposals from any qualified source, but the intent is to negotiate with a single source under FAR 6.302‑1. • Quantity: 10 units, FOB origin. • Requires engineering source approval and submission of source‑approval documentation. • All proposals must be received by the response deadline (Nov 5, 2026). • Contract will be awarded to an approved source; a new source must undergo a government‑approved qualification process. • The effort involves repair/modification, not new manufacturing, and is flight‑critical.