>> Search results for: K22009 NSN Search Results National Stock Number (NSN) Description 6630-00-399-2968, 6630003992968 Cancelled -> Replaced by 6640003108549 4820-01-163-7276 , 4820011637276 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