>> Search results for: HP9423 NSN Search Results National Stock Number (NSN) Description 1650-00-838-0912, 1650008380912 PARTS KIT,VALVE 4820-01-371-1961 , 4820013711961 VALVE,RELIEF,PRESSURE AND TEMPER 4820-00-408-0991, 4820004080991 VALVE,PLUG 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