A gear sector with teeth formed on the inner surface.
NSN 6650-00-409-0907
NSN 6145-01-356-6684
NSN 6620-01-156-4641
NSN 5975-01-102-4829
NSN 6320-01-442-3428
NSN 6620-00-160-0844
NSN 5950-01-085-7329
NSN 6105-01-468-5102
NSN 5895-00-599-4394
NSN 5915-00-045-6986
NSN 5915-01-233-0892
NSN 5895-01-026-6886