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 5975-00-281-0099
NSN 5999-01-511-0097
NSN 6220-01-487-7079
NSN 6150-01-112-0540
NSN 5905-01-327-2255
NSN 7035-01-019-3951
NSN 5975-01-626-6598
NSN 5905-01-461-1970
NSN 5905-01-259-4767
NSN 6135-01-274-3546
NSN 5915-00-141-0410
NSN 5945-01-543-9952