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 5925-00-561-9648
NSN 5935-01-403-2844
NSN 6650-01-207-2905
NSN 6685-01-220-6272
NSN 5935-01-322-4568
NSN 5895-01-104-6472
NSN 6105-00-097-9965
NSN 6610-00-032-0264
NSN 5895-01-258-4824
NSN 6105-00-111-0851
NSN 6240-00-141-6143
NSN 5950-01-610-5957