A gear sector with teeth formed on the inner surface.
NSN 6220-00-280-2880
NSN 6105-00-186-9380
NSN 6685-00-155-4301
NSN 5945-01-457-9831
NSN 5965-00-253-1302
NSN 5999-01-272-8632
NSN 5895-00-793-3971
NSN 5930-01-534-5150
NSN 5855-01-020-7982
NSN 6320-00-456-0836
NSN 4140-01-152-6600
NSN 6135-00-405-1989