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 5945-01-445-6081
NSN 6620-01-398-8986
NSN 5999-01-204-8861
NSN 6650-01-481-3618
NSN 5915-01-145-5340
NSN 5999-01-519-5914
NSN 5999-01-323-5355
NSN 5910-00-243-3060
NSN 6220-01-627-0038
NSN 4140-01-073-7436
NSN 5999-00-051-5578
NSN 5960-00-003-7982