| Part Number | Part Description |
|---|
| 505-19601-401 | WHEEL AND TIRE ASSY |
| 505-19601-403 | WHEEL AND TIRE ASSY |
| 505-19601-503 | WHEEL AND TIRE ASSY |
| 505-19601-505 | WHEEL AND TIRE ASSY |
| 505-19601-601 | WHEEL AND TIRE ASSY |
| 505-19601-605 | WHEEL AND TIRE ASSY |
| 50-521222-3 | ACTUATOR ASSY FLAP, LH INBD |
| 50-524161-606 | ACTUATOR ELEVATOR TAB LH |
| 50-524161-607 | ACTUATOR ELEVATOR TAB RH |
| 50-524161-610 | ACTUATOR ELEVATOR TAB LH |
| 50-534453-15 | COMPASS ASSY |
| 5054T82G01 | ENGINE FUEL VALVE |
| 50-554341-69 | VALVE LH BYPASS |
| 50-589110 | FILTER |
| 50595-04 | FUEL PUMP ASSY |
| 505CH | MAIN BATTERY NC CHARGED |
| 505CH2 | MAIN BATTERY NC CHARGED |
| 505CH3 | MAIN BATTERY NC CHARGED |
| 50-610017-38 | ELEVATOR TRIM TAB ASSY |
| 50-610017-39 | AILERON TRIM TAB LH |
 | 506-1-00488 | W/S HEAT CONTROLLER |
| 5061-1-1 | AUDIO PANEL |
| 50652 | TRANSMITTER |
| 506701 | MODULE ASSY |
| 507-1-01262 | RELAY |
| 5071T86P01 | TUBE, B-SUMP SCAVENGE |
| 5071T98P02 | AMPLIFIER, CONTROL |
| 5071T98P03 | AMPLIFIER, CONTROL |
| 5071T98P05 | AMPLIFIER, CONTROL |
| 50758-1 | TRANSMITTER |
| 50758-3 | TRANSMITTER |
| 50781-200G01 | OIL PRES TRANSMITTER |
| 50-810032-4 | KNEE ASSY |
| 50-810037-615 | BRACE ASSY MAIN GEAR DRAG LH |
| 50-810037-616 | BRACE ASSY MAIN GEAR DRAG RH |
| 50-810164-17 | ACTUATOR ASSY LH LANDING GEAR |
| 50-810164-18 | ACTUATOR ASSY RH LANDING GEAR |
| 50-810164-19 | ACTUATOR ASSY LH MAIN LANDING GEAR |
| 50-810286-21 | MAIN GEAR ASSY LH MLG |
| 50-810286-22 | GEAR ASSY RH MAIN LANDING |
| 50-810295-17 | KNEE ASSY |
| 50-810304-621 | MAIN GEAR ASSY LH MLG |
| 50-810304-651 | MAIN GEAR ASSY LH MLG |
| 50-810304-673 | MAIN GEAR ASSY LH MLG |
| 50-810304-679 | MAIN GEAR ASSY LH MLG |
| 50-810335-13 | DRAG LEG ASSY |
 | 50-810335-17 | DRAG LEG ASSY, FLOTATION |
| 50-810398-1 | GEAR SET ASSY LH ACTUATOR |
| 50817 | FUEL NOZZLE |
| 50-820004-3 | DAMPER |
 | 50-820010-605 | BRACE ASSY, DRAG |
| 50-820023-8 | SLEEVE ASSY NOSE GEAR |
| 50-820034-19 | LINK ASSY |
| 50-820113 | IDLER ASSY NOSE STEERING LINK |
| 50-820113-7 | IDLER ASSY NOSE STEERING LINK |
| 50-820179-27 | DOOR ASSY LH NOSE GEAR |
| 50-820179-28 | DOOR ASSY RH NOSE GEAR |
| 50-820179-29 | DOOR ASSY LH |
| 50-820179-30 | DOOR ASSY RH |
| 50-820179-31 | DOOR, LH NOSE LANDING GEAR |
| 50-820179-32 | DOOR, RH NOSE LANDING GEAR |
| 50-820179-33 | NOSE DOOR ASSY LH |
| 50-820179-34 | NOSE DOOR ASSY RH |
| 50-820204-41 | BRACE ASSY |
| 50-820205-21 | DRAG LEG ASSY |
| 50-820205-23 | LOWER DRAG LEG |
| 50-820205-25 | BRACE ASSY NOSE GEAR |
| 50-820205-37 | DRAG LEG ASSY |
| 50-820208-1 | ACTUATOR ASSY NOSE LANDING GEAR |
 | 50-820208-5 | NOSE GEAR ACTUATOR |
| 5082-1-2 | AMPLIFIER |
| 509-0001-904 | INDICATOR, TURN AND SLIP |
 | 509-1-01060 | INVERTER |
| 509-1-02530-001 | T.R.U. |
| 50-95-01 | ANTENNA |
| 50FP008H4TFF | SATCOM ATTEN RX |
| 510-0020-5 | VALVE |
| 510-0020-7 | VALVE |
 | 51010-1113 | TRIPLE INDICATOR |
 | 51010-1114 | TRIPLE INDICATOR |
| 5103 | MAIN BATTERY NC CHARGED |
| 5105-001-000 | SOLENOID VALVE |
| 51090306-002 | FLOW SENSOR |
| 510ZT01Y01 | CONTROLLER, LIGHTING |
 | 511-0001-903 | EMG POWER UNIT |
| 51101AB7W | HYDRAULIC POWER UNIT |
| 5115231-25 | ELEVATOR TRIM ELEC. ACTUATOR |
| 51160-06 | PUMP, HYDRAULIC |
| 5117239-66 | CONTROL ASSY WINDSHIELD ANTI ICE LH |
| 5117239-67 | CONTROL ASSY WINDSHIELD ANTI ICE RH |
| 5118471-7 | TRANSDUCER ASSY |
 | 51-2001 | A.C VOLTMETER |
 | 51-2002 | DC VOLTMETER |
 | 51-2003 | FREQUENCY METER |
 | 51-2004 | CABIN TEMP INDICATOR |
 | 51-2005 | DUCT TEMP INDICATOR |
| 5120-6 | COURSE DEVIATION IND |
| 5120T8TT20 | VALVE ASSY |
| 5122-1100-2 | YAW DAMPER COMPUTER |
| 512-81 | PITOT AMP GAUGE |
| 51300-1 | RUDDER PCU ASSY |
| 513-18352-008 | STATIC AIR TEMP.IND. |
 | 513-24660-102 | SAT/TAS INDICATOR |
| 513-24660-501 | TAS INDICATOR |
| 513-24660-502 | INDICATOR |
| 514127 | HMEC WINDSCREEN |
| 5146-00-3 | PRESSURE REGULATOR |
 | 514A4 | RADIO CONTROL UNIT |
 | 51-5005 | DC AMMETER |
| 51509-006BR | GENERATOR CONTROL UNIT GCU |
 | 51509-006C | CONTROL UNIT GCU |
| 51509-006F | GENERATOR CONTROL UNIT GCU |
 | 51525-001F | GENERATOR CONTROL UNIT GCU |
| 51525-014A | GENERATOR CONTROL UNIT (GCU), 28VDC |
| 515297 | HMEC WINDSCREEN |
| 51530-001A | GENERATOR CONTROL |
| 51530-007B | GENERATOR CONTROL |
 | 51538-001A | GENERATOR CONTROL, DC |
| 51538-001B | GENERATOR CONTROL UNIT |
| 51538-001C | GENERATOR CONTROL UNIT |
| 51538-001D | GENERATOR CONTROL UNIT |
| 51538-002A | GENERATOR CONTROL |
| 51539-002 | GENERATOR CONTROL UNIT GCU |
 | 51539-006D | GENERATOR CONTROL GCU |
| 51539-006F | GENERATOR CONTROL UNIT GCU |
 | 51539-006H | CONTROL UNIT GCU |
 | 51539-006J | CONTROL UNIT GCU |
 | 51539-009H | CONTROL UNIT GCU |
| 51539-009J | GENERATOR CONTROL UNIT |
 | 51539-013C | CONTROL UNIT GCU |
 | 51539-019E | CONTROL UNIT GCU |
| 51586-002 | CONTROL UNIT GCU |
| 515CUF2 | ALTITUDE SELECTOR |
| 515CUF3 | SELECTOR |
 | 51600-2 | APU FIRE EXTINGUISHER WITH SQUIB |
| 51600-9 | VALVE, SPOILER SELECTOR |
| 516456-2 | MOTOR, AC |
| 51651-101 | CONTROL UNIT |
 | 51653-154 | FIRE WIRE CONTROL BOX |
| 516CUF1 | NAV. SELECTOR |
| 518-16007-313 | ALTIMETER ENCODING |
| 518-16007-46 | ALTIMETER |
| 518-16007-61 | ALTIMETER |
 | 5182-1 | AMPLIFIER |
| 5185-00-1 | VALVE FLOW CONTROL, BI LEVEL |
 | 5185-00-3 | VALVE FLOW CONTROL, BI LEVEL |
 | 5188-00-1 | SHUT OFF VALVE |
 | 5188-00-7 | ANTI-ICE VALVE |
| 5189-00-9 | CHECK VALVE |
| 5193-00-5 | VALVE, AIR, COCKPIT |
| 519892-6-1 | STARTER MOTOR |
 | 519892-6-2 | CHALLENGER 300-604 STARTER MOTOR |
 | 519892-6-3 | CHALLENGER 300 STARTER GENERATOR |
| 51B2214 | CABIN TEMP INDICATOR |
| 51B2214-1 | CABIN TEMP INDICATOR |
 | 51B2232-1 | DUCT TEMP INDICATOR |
| 51B2411 | DC VOLTMETER |
 | 51B2411-1 | DC VOLTMETER |
 | 51B2411-2 | DC VOLTMETER |
| 51B2421 | A.C.VOLTMETER |
| 51B2421-1 | A.C.VOLTMETER |
 | 51B2421-2 | A.C.VOLTMETER |
| 51B2620 | FREQUENCY METER |
 | 51B2620-1 | FREQUENCY METER |
 | 51B2620-2 | FREQUENCY METER |
| 51B5518 | DC AMMETER |
 | 51B5518-1 | DC AMMETER |
| 51B5520 | DC AMMETER |
 | 51B5520-1 | DC AMMETER |
| 51E080-935-12 | BREAKOUT BOX |
 | 51RV1 | VOR ILS NAV RECEIVER |
 | 51RV2B | VOR ILS NAV RECEIVER |
| 51RV5 | NAV RECEIVER |
| 51Y4 | ADF RECEIVER |
 | 51Y7 | ADF RECEIVER |
| 51Z4 | MARKER BEACON RECEIVER |
| 5-2 | ANTENNA |
| 5200-00-1 | CONTROLLER PRESSURISATION |
| 5200-00-3 | CONTROLLER |
| 5200-00-5 | CONTROLLER |
| 5-2000-07 | DIRECTISYN |
 | 5201-00-7 | OUTFLOW VALVE |
| 5201-00-9 | OUTFLOW VALVE |
| 520-3150-002 | INDICATOR HSI |
| 520-3150-004 | INDICATOR HORIZONTAL |
| 520-3151-003 | INDICATOR STANDBY HSI |
| 520-3210-002 | R.M.I. |
| 520-3337-129 | R.M.I. |
| 520-8030-001 | VALVE |
| 520811 | ELECTRIC MOTOR |
 | 520814 | HYDRAULIC POWER PACK |
| 520850 | COURSE INDICATOR |
| 521-29007-005 | ENCODING ALTIMETER |
| 521-29007-006 | ENCODING ALTIMETER |
| 521-29007-008 | ENCODING ALTIMETER |
 | 521-29007-017 | ENCODING ALTIMETER |
| 521-39007-096 | ENCODING ALTIMETER |
| 521942 | INDICATOR, ITT |
| 522-0225-004 | FLUX DETECTOR |
 | 522-0236-003 | SLAVE INDICATOR |
