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 6620-00-621-4269
NSN 6135-01-019-7687
NSN 5915-01-629-9166
NSN 5950-00-078-5417
NSN 6645-00-359-5463
NSN 6105-01-343-4426
NSN 5960-01-142-6981
NSN 6130-01-077-6534
NSN 5965-01-373-1412
NSN 5895-01-069-3279
NSN 6685-01-102-0852
NSN 6620-01-149-9192