>> Search results for: 6M4P159 NSN Search Results National Stock Number (NSN) Description 3040-01-646-2175, 3040016462175 SHAFT ASSEMBLY,SHOULDERED 1660-99-600-5841 , 1660996005841 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