Services to Maintain the TS-3920 C/ASM Computer Test Set

This is a Sources Sought market survey (pre‑solicitation) issued by the U.S. Army to identify vendors qualified to maintain the TS‑3920C/ASM Computer Test Set (part #05‑0330‑07, NSN 6625‑01‑529‑3346) used for UH‑60 Blackhawk avionics. The notice states Ultrax Aerospace Inc. is the current/only source holding the complete technical data package, and interested vendors must submit evidence of capability (test results, purchase orders, or certification letters) by Jan 9, 2026. Responses are directed to the Commander, US Army DEVCOM C5ISR Center at Aberdeen Proving Ground and the market survey does not guarantee an award.