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 6110-01-348-0212
NSN 5985-01-531-4885
NSN 5950-01-534-3026
NSN 6220-00-548-1999
NSN 4140-01-035-5530
NSN 6645-00-292-5053
NSN 6620-01-324-7809
NSN 5915-01-116-7505
NSN 6105-00-986-8231
NSN 6145-01-103-2692
NSN 5990-01-364-0813
NSN 5998-01-507-7651