>> Search results for: 505040IN NSN Search Results National Stock Number (NSN) Description 4820-01-464-4437, 4820014644437 VALVE,CHECK 5330-01-464-9648 , 5330014649648 SEAL,PLAIN 5310-01-464-7748, 5310014647748 WASHER,FLAT 5360-01-464-0775 , 5360014640775 SPRING,HELICAL,COMPRESSION 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