Part Number: 1509590 (Indicator radar alt) Part Number: 1509590-901 (Indicator altimeter) Part Number: 1509591 (Receiver) Part Number: 1509591-901 (5841-00-810-0201) Part Number: 1509592 (Transmitter) Part Number: 1509592-901 (Radar xmtr) Part Number: 1509592-902 (Radar transmitter) Part Number: 1509593 (Amplifier) Part Number: 1509593-901 (Unit) Part Number: 1509593-902 (Ampl.electr.) Part Number: 1509594-901 (Mounting) Part Number: 1509595-901 (Radar rcvr) Part Number: 1509598 (Cat) Part Number: 15095N (Switch pressure)