>> Search results for: 185000055A01 NSN Search Results National Stock Number (NSN) Description 5120-01-674-5090, 5120016745090 VALVE TURNING TOOL 5120-15-121-4199 , 5120151214199 VALVE SEAT TOOL 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