>> Search results for: NMP857 NSN Search Results National Stock Number (NSN) Description 4820-01-184-2732, 4820011842732 VALVE,SAFETY RELIEF 4820-01-192-8508 , 4820011928508 DISK,VALVE 5360-01-185-3030, 5360011853030 SPRING,HELICAL,COMPRESSION 5325-01-189-3894 , 5325011893894 RING,RETAINING 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