This opportunity is for the procurement of 5 units of an Interface Unit (NSN 7H-5895-013888695), with delivery to New Cumberland, PA. The government does not own the technical data for this part and has deemed it uneconomical to acquire or reverse engineer, making it a Level 1 item restricted to approved sources. Contracts will only be awarded to offerors with an inspection system conforming to MIL-I-45208A, certified by a joint DCMA/NAVSUP WSS survey team. The government intends to solicit and negotiate with only one source, but all responsible parties may submit capability statements or proposals within 45 days of this notice's publication. No specific budget amount or non-bid timeline is mentioned.