>> Search results for: 4P1491 NSN Search Results National Stock Number (NSN) Description 4820-01-197-3679, 4820011973679 VALVE,RELIEF,PRESSURE AND TEMPER 5340-01-429-9381 , 5340014299381 STRAP,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