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 5996-01-024-9976
NSN 5998-00-037-4661
NSN 5935-01-157-4626
NSN 6610-00-141-7000
NSN 5990-01-544-0364
NSN 6610-01-010-3915
NSN 6130-01-628-3967
NSN 6645-00-959-6502
NSN 5975-01-550-7930
NSN 6685-01-547-5185
NSN 2925-01-181-3972
NSN 6620-00-022-8056