>> Search results for: M1670M1 NSN Search Results National Stock Number (NSN) Description 1680-00-434-6642, 1680004346642 DRIVE UNIT,COWL FLA 1680-00-434-6643 , 1680004346643 DRIVE UNIT,COWL FLA 1680-00-347-0560, 1680003470560 TRANSMISSION,MECHANICAL,AIRCRAFT 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