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 5990-00-366-0112
NSN 5855-01-314-8335
NSN 5960-00-936-3334
NSN 5925-01-469-6667
NSN 5895-01-138-6491
NSN 6650-01-197-4585
NSN 4140-00-085-1355
NSN 5975-00-221-0579
NSN 5975-00-111-1226
NSN 5835-01-485-0210
NSN 2925-00-964-7128
NSN 5910-01-349-7189