>> Search results for: 3R478 NSN Search Results National Stock Number (NSN) Description 5120-01-399-9923, 5120013999923 HAMMER,HAND 1680-99-713-1926 , 1680997131926 PULLEY ASSEMBLY 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