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 5915-01-100-3887
NSN 6620-01-342-5953
NSN 5996-01-464-8165
NSN 5915-01-410-6838
NSN 5895-00-216-5849
NSN 5996-01-337-3516
NSN 5895-01-311-1877
NSN 5990-00-001-4570
NSN 6650-01-147-0288
NSN 5950-00-138-7789
NSN 6320-01-449-1014
NSN 5895-01-418-0850