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 6220-01-134-7078
NSN 5915-01-625-0109
NSN 5915-01-148-4077
NSN 5990-00-920-2894
NSN 5835-00-581-9460
NSN 5945-00-312-9880
NSN 5990-01-544-0364
NSN 5996-01-365-7112
NSN 5975-01-627-8669
NSN 6685-01-386-1887
NSN 7035-01-544-6428
NSN 5985-01-391-7665