>> Search results for: HP004040 NSN Search Results National Stock Number (NSN) Description 6685-01-384-2451, 6685013842451 GAGE,DIFFERENTIAL,DIAL INDICATIN 4820-01-458-2439 , 4820014582439 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