>> Search results for: UM12R1 NSN Search Results National Stock Number (NSN) Description 3040-01-416-4533, 3040014164533 HOUSING,MECHANICAL DRIVE 5340-01-416-9921 , 5340014169921 COVER,ACCESS 5315-01-416-5263, 5315014165263 PIN,STRAIGHT,HEADED 3020-01-416-5931 , 3020014165931 SPROCKET WHEEL 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