A gear sector with teeth formed on the inner surface.
NSN 6135-00-505-0679
NSN 6320-01-384-7079
NSN 6220-01-167-0516
NSN 5945-01-059-4272
NSN 4140-01-227-6918
NSN 5965-00-964-1756
NSN 5965-00-280-3444
NSN 5965-01-398-9579
NSN 6220-01-520-3316
NSN 6145-01-515-4019
NSN 6135-01-106-7740
NSN 2925-00-149-0760