NAVSUP WSS Philadelphia intends to award a sole-source repair contract for two units of Test Program Set H641 (NSN 7RH-4920-016667514-SX) to Howell Instruments Inc. The government does not own the technical data or rights needed for other sources to perform the repair, and no drawings or data are available. Firms not already approved to manufacture this material must submit a Source Approval Request, but the repair will not be delayed for SAR approval. Delivery is FOB origin, and the acquisition will be conducted under FAR Part 15 procedures. This notice is not a request for competitive proposals, but interested sources may submit capability statements for consideration.