1229-011030, 011030, Lockheed T-33A Course Selector Indicator

3 1/8" Lockheed T-33A U.S.A.F. Course Selector Indicator. Manufactured by Kollsman. P/N 1229-011030.
The T-33A was a trainer aircraft for the U.S.A.F. for several decades and it is still used today in several countries around the world. Very clean item.