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 6685-01-215-1204
NSN 5920-00-928-6721
NSN 5910-01-372-1491
NSN 5945-00-109-4504
NSN 5998-01-179-2432
NSN 6130-00-172-7523
NSN 6145-00-003-9527
NSN 5835-01-111-9838
NSN 5930-00-369-7844
NSN 5990-00-470-2535
NSN 5915-01-156-1160
NSN 5925-01-395-1971