Aircraft Instruments Technical Instructions, Air Corps Technical School, 1939 C-130 unscrew the collar (I) and

unscrew the collar (I) and pull the lamp support assembly straight out

Kollsman FSSC number 88-C-855 was made for aircraft of the US Navy

Weston model 1534

See the windshield parts diagram from its parts list dated December 1955

Aircraft Instruments Technical Instructions, Air Corps Technical School, 1939 C-130 unscrew the collar (I) andHere is a pre WWII era Technical Instruction reference manual for students of the Air Corps Technical School, published in October 1939, for use in training aircraft instrument technicians of the US Army Air Corps. This 258 page, 8. 5 by 11 inch technical manual covers all of the most commonly used instruments used in aircraft of the era, including pressure, temperature, and quantity gauges, compasses, turn, climb, and airspeed indicators, gyro