Part Number: 1439506 (Amplifier) Part Number: 1439508 (Amplifier) Part Number: 1439511 (Amplifier) Part Number: 1439515 (Phoenix contact) Part Number: 1439-51A (Md a speed & mach) Part Number: 1439-51A-A51-1 (Airspeed) Part Number: 1-439-525-11 (No description) Part Number: 1439528 (Phoenix contact) Part Number: 1439529 (No description) Part Number: 143-953 (Conn) Part Number: 143953-000 (Misc) Part Number: 1439531 (Phoenix contact) Part Number: 143-953-160 (Key) Part Number: 1439-53622 (Connector)