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 5925-01-074-5832
NSN 5855-01-568-0387
NSN 5960-01-414-1677
NSN 5990-01-443-2931
NSN 5960-01-160-3437
NSN 6240-01-325-0530
NSN 5990-01-202-7003
NSN 2925-01-434-2502
NSN 6130-00-669-5829
NSN 5925-00-246-8609
NSN 5915-00-156-7877
NSN 6110-00-012-5514