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 6620-00-936-3463
NSN 5950-00-300-0287
NSN 5990-00-932-3070
NSN 6130-01-321-5296
NSN 6220-00-173-3967
NSN 6320-01-498-4954
NSN 4140-00-770-1052
NSN 6620-00-404-0149
NSN 5930-01-415-3111
NSN 6105-01-240-5891
NSN 5905-01-210-1637
NSN 5996-01-411-1841