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 6150-01-515-4554
NSN 6320-01-177-3192
NSN 5930-00-197-5907
NSN 6135-00-152-8729
NSN 4140-00-161-2586
NSN 5996-00-338-9760
NSN 5965-01-175-2564
NSN 5960-00-195-4448
NSN 5990-01-470-2565
NSN 5950-01-634-0677
NSN 5920-01-493-3938
NSN 6685-01-390-8170