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 5985-01-501-5908
NSN 5975-01-336-8507
NSN 6150-01-612-1802
NSN 5895-00-571-0128
NSN 6610-01-451-1217
NSN 6130-01-458-1088
NSN 5895-01-012-7085
NSN 5895-01-442-1345
NSN 2925-00-735-4979
NSN 5990-00-784-6067
NSN 6650-01-294-5243
NSN 5999-01-607-4701