A gear sector with teeth formed on the inner surface.
NSN 6130-01-324-7937
NSN 5950-00-099-9612
NSN 5950-01-299-5519
NSN 6620-01-302-1537
NSN 5999-00-158-5118
NSN 6150-01-521-5221
NSN 6130-01-045-1519
NSN 6130-01-382-7810
NSN 5915-01-628-2203
NSN 5835-01-509-8992
NSN 5990-01-303-6110
NSN 5960-00-145-9361