A gear with teeth formed on the inner surface of a cylinder or cone.
Classification: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
NSN 6240-01-443-9414
NSN 4140-00-393-1707
NSN 5895-01-593-7313
NSN 6610-01-103-3932
NSN 5945-01-422-0381
NSN 5935-01-218-5653
NSN 5920-01-605-1656
NSN 6240-01-422-1878
NSN 6145-01-445-2568
NSN 5985-01-250-7808
NSN 4140-01-286-5632
NSN 5930-00-294-2697