>> Search results for: 627B21 NSN Search Results National Stock Number (NSN) Description 5330-00-836-9408, 5330008369408 PACKING,PREFORMED 5330-01-344-4340 , 5330013444340 GASKET 4820-00-852-5142, 4820008525142 VALVE,SAFETY RELIEF 4820-01-195-8456 , 4820011958456 VALVE,RELIEF,PRESSURE AND TEMPER 4820-00-040-7472, 4820000407472 Cancelled -> Replaced by 4820010587172 4820-01-647-8307 , 4820016478307 VALVE,SAFETY RELIEF 4820-21-860-3088, 4820218603088 VALVE,SAFETY RELIEF 4820-21-856-8103 , 4820218568103 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