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 5950-01-331-0551
NSN 5945-01-392-1935
NSN 6130-01-045-0005
NSN 4140-01-423-1005
NSN 5999-01-270-3957
NSN 5996-00-866-9866
NSN 5985-01-247-7403
NSN 5835-00-085-2287
NSN 5985-01-496-7792
NSN 5965-01-023-0809
NSN 6110-01-366-7954
NSN 2925-01-441-8958