A gear sector with teeth formed on the inner surface.
NSN 6150-00-201-9583
NSN 5935-00-821-4785
NSN 5945-01-310-8076
NSN 6610-01-533-7458
NSN 6620-00-153-0982
NSN 7035-00-703-3535
NSN 6645-01-276-7818
NSN 5990-01-510-4699
NSN 5975-01-534-2773
NSN 6685-01-009-4346
NSN 6130-00-777-6438
NSN 5985-00-825-1815