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 5999-01-159-7935
NSN 5965-01-109-2917
NSN 5999-01-465-4563
NSN 5996-00-392-7626
NSN 6685-01-522-3526
NSN 5945-00-286-8594
NSN 2925-01-159-0506
NSN 5945-01-100-2676
NSN 6620-01-425-8257
NSN 6150-00-079-1101
NSN 6145-00-188-3657
NSN 5915-00-233-6346