>> Search results for: 138212IN NSN Search Results National Stock Number (NSN) Description 4820-01-131-8506, 4820011318506 VALVE,SAFETY RELIEF 4820-01-249-3755 , 4820012493755 VALVE,SAFETY RELIEF 4820-01-141-1427, 4820011411427 Cancelled -> Replaced by 4820012717888 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