NAVSUP WSS Philadelphia intends to sole-source repair services for specific warning sensors, countermeasure processors, and related supplies to Northrop Grumman Systems Corp, as the Original Equipment Manufacturer and only known source. The government lacks the data or rights to purchase these parts from other suppliers, though all responsible sources may submit capability statements for consideration. Any firm not already approved must submit a Source Approval Request, but the procurement will not be delayed for approval. The location for performance is not specified, and no budget amount is provided. Interested parties must submit proposals within 30 days of this synopsis’s publication.