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 5990-00-226-1152
NSN 5975-01-236-9806
NSN 6610-01-327-3187
NSN 5915-00-698-4159
NSN 6130-01-230-0144
NSN 2925-01-511-5359
NSN 5905-00-156-5509
NSN 5915-00-563-7058
NSN 5998-01-170-8400
NSN 5895-01-048-0705
NSN 5985-01-073-2431
NSN 6610-01-604-1744