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 5990-01-185-9835
NSN 6610-01-464-3037
NSN 5998-00-754-0663
NSN 5996-01-184-5035
NSN 6145-01-248-1066
NSN 5905-00-304-6123
NSN 5910-00-279-1981
NSN 2925-00-502-3768
NSN 5920-01-339-2409
NSN 6650-00-820-4577
NSN 4140-01-400-3610
NSN 5905-00-851-6336