>> Search results for: S000931 NSN Search Results National Stock Number (NSN) Description 5340-01-621-8084, 5340016218084 PLUG,EXPANSION 5340-01-621-8085 , 5340016218085 PLUG,EXPANSION 4820-99-534-2200, 4820995342200 VALVE,SAFETY-RELIEF 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information