MODULATOR,SONAR

This solicitation seeks repair services for eight (8) MODULATOR,SONAR units identified by NSN 5845‑015366431. The work is strictly repair (no new procurement) and must be performed under government‑source inspection and acceptance (G‑S I&A). Contractors must provide a firm‑fixed‑price repair quote, include turnaround time (RTAT) details (requested RTAT = 280 days), and indicate any throughput constraints. The government retains an option to order an additional quantity up to 100 % of the original order for up to 279 days after receipt of order (ARO). All work must meet applicable MIL‑STD‑130 marking, MIL‑STD‑129/130 documentation, and stringent mercury‑free requirements.