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 6320-01-386-3491
NSN 6150-01-262-1883
NSN 2925-01-650-3412
NSN 5999-00-779-9857
NSN 6610-01-089-2487
NSN 5998-00-325-3463
NSN 7035-01-235-6023
NSN 6135-00-100-0485
NSN 5998-01-553-4957
NSN 5945-01-321-9981
NSN 5930-01-293-1078
NSN 6650-00-005-6649