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 2925-01-441-8958
NSN 7035-01-280-4692
NSN 6135-00-643-4843
NSN 6620-01-307-9874
NSN 5985-00-032-7023
NSN 5920-01-222-5107
NSN 6220-00-949-0024
NSN 6320-00-228-5678
NSN 6130-01-307-3018
NSN 6645-01-123-3056
NSN 5930-01-095-6175
NSN 6135-01-501-0833