Sigma-Tek 3-1/8 Restrained Airspeed 40-200Mph 40-170Knt Lit

These airspeed indicators have restrained movements. These instruments are actuated by ram air and ambient atmospheric pressure obtained from the aircraft pitot and static pressure systems. A moveable pointer and a fixed dial indicate airspeed with the zero index at the 12 o’clock position. Temperature compensation is internal and there is no external zero adjustment. Pointer damping is internally adjustable. Note: Airspeed range markings are optional.Note: Lighted Instruments do not include lamp trays, see accessories.

Manufacturer Part #: EA5174L