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 6645-01-502-3068
NSN 5915-00-052-2788
NSN 5996-00-053-1429
NSN 5990-00-101-8318
NSN 5998-00-303-7531
NSN 5915-01-213-3247
NSN 6130-01-063-7446
NSN 5835-01-178-4154
NSN 5998-00-912-1643
NSN 5915-00-291-3736
NSN 6645-01-503-8211
NSN 6685-00-331-8141