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 5905-00-971-8527
NSN 5945-01-071-5231
NSN 5975-00-067-3368
NSN 5960-00-909-7009
NSN 6135-00-542-6216
NSN 4140-00-383-5637
NSN 6135-00-885-6003
NSN 6645-00-089-8842
NSN 2925-00-098-4165
NSN 6610-00-766-7923
NSN 6150-00-274-5571
NSN 5950-00-233-6707