Part Number: 066-3077-61 (Alt/vs ind 5vb ltg helicopter) Part Number: 066-3077-62 (Alt/vs) Part Number: 066-3077-63 (Altitude / vertical speed indica) Part Number: 066-3077-64 (Altimeter/vs indicator) Part Number: 066-3077-XX (Kav485) Part Number: 066-3079-00 (Mach airspeed indicator) Part Number: 066-3079-01 (Mach airspeed indicator) Part Number: 066-3079-02 (Ias indicator 5v blk) Part Number: 066-3079-03 (Mach airspeed indicator) Part Number: 066-3079-10 (Airspeed ind) Part Number: 066-3079-14 (Speed display) Part Number: 066-3079-22 (Ias ind xside 5v blk) Part Number: 066-3079-23 (Ias ind xside 5v gry) Part Number: 066307A000 (Gas ballast)