>> Search results for: P680A NSN Search Results National Stock Number (NSN) Description 4820-66-147-8655, 4820661478655 VALVE RELIEF 4820-66-137-2006 , 4820661372006 VALVE,SAFETY RELIEF 4820-66-137-2007, 4820661372007 VALVE,SAFETY RELIEF 1 Related Inventory SP680A Readily AvailableAdd to RFQ 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