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 6150-00-308-2686
NSN 6145-01-310-8597
NSN 5950-01-183-6449
NSN 2925-01-012-3162
NSN 6620-00-903-5054
NSN 5965-01-187-8574
NSN 5985-01-080-8452
NSN 6685-01-256-4990
NSN 5920-01-087-6073
NSN 5920-01-078-7560
NSN 5915-01-524-6995
NSN 5996-01-180-5834