>> Search results for: 51172K NSN Search Results National Stock Number (NSN) Description 4820-01-192-4437, 4820011924437 SEAT,VALVE 4820-01-533-6911 , 4820015336911 SEAT,VALVE 1 Related Inventory 51172-K4820011924437Condition NSSEAT VALVE Readily AvailableAdd to RFQ 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