| 501-1579-( ) | YD-85 Yaw Computer Controller | Butler Avionics Inc | Current | 2019-06-16 |
| 5012943-RCK | Swage Tube | RCK Airparts | Historical | 2017-05-16 |
| 50222 | Filter Assembly | PTI Technologies Inc | Current | 2000-09-06 |
| 5150-3 | Cooling Modification | L3 Communications Integrated Systems | Current | 1997-11-09 |
| 5150A01000-1 | Automatic Flt. Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A01000-1 | Automatic Flt Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A03000-1 | Automatic Flt Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A03000-1 | Automatic Flt. Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A06300-1 | Automatic Flt. Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A06300-1 | Automatic Flt Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A10000-1 | Automatic Flt. Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A10000-1 | Automatic Flt Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A12000-1 | Automatic Flt. Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A12000-1 | Automatic Flt Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A14000-1 | Automatic Flt Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A14000-1 | Automatic Flt. Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A16000-1 | Automatic Flt Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A16000-1 | Automatic Flt. Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A26000-1 | Automatic Flt. Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A26000-1 | Automatic Flt Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A28000-1 | Automatic Flt. Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A28000-1 | Automatic Flt Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A64000-1 | Automatic Flt Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A64000-1 | Automatic Flt. Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A65000-1 | Automatic Flt. Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A65000-1 | Automatic Flt Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A67000-1 | Automatic Flt Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 5150A67000-1 | Automatic Flt. Inspection System | L3 Communications Integrated Systems | Current | 1996-05-14 |
| 51600-2 | Fire Bottle (APU) | Ametek Ameron, LLC d/b/a Mass Systems | Current | 2017-03-28 |
| 52-R3AB-121AAC-1 | Ambulance Module | Snaky Creek Enterprises LLC dba Spectrum Aeromed | Current | 2002-01-29 |
| 520-2500 | Air Medical System | LifePort, LLC. | Current | 2019-07-30 |
| 520-8100 | Air Medical System | LifePort, LLC. | Current | 2019-07-30 |
| 5333-007 | Rod End-Assy. Speed Trimming | ONTIC Engineering & Manufacturing Inc | Current | 2007-05-13 |
| 5333-007 | Rod End - Assy. Speed Trimming | ONTIC Engineering & Manufacturing Inc | Current | 2007-05-13 |
| 5333-007 | Rod End-Assy Speed Trimming | ONTIC Engineering & Manufacturing Inc | Current | 2006-08-08 |
| 5333-007 | Rod End - Assy. Speed Trimming | ONTIC Engineering & Manufacturing Inc | Current | 2006-05-01 |
| 5333-010 | Rod End-Assy. Speed Trimming | ONTIC Engineering & Manufacturing Inc | Current | 2007-05-13 |
| 5333-010 | Rod End - Assy. Speed Trimming | ONTIC Engineering & Manufacturing Inc | Current | 2007-05-13 |
| 5333-010 | Rod End-Assy Speed Trimming | ONTIC Engineering & Manufacturing Inc | Current | 2006-08-08 |
| 5333-010 | Rod End - Assy. Speed Trimming | ONTIC Engineering & Manufacturing Inc | Current | 2006-05-01 |
| 5333-012 | Rod End-Assy. Speed Trimming | ONTIC Engineering & Manufacturing Inc | Current | 2007-05-13 |
| 5333-012 | Rod End - Assy. Speed Trimming | ONTIC Engineering & Manufacturing Inc | Current | 2007-05-13 |
| 5333-012 | Rod End-Assy Speed Trimming | ONTIC Engineering & Manufacturing Inc | Current | 2006-08-08 |
| 5333-012 | Rod End - Assy. Speed Trimming | ONTIC Engineering & Manufacturing Inc | Current | 2006-05-01 |
| 53590-2 | Valve, Emergency Brake | Eaton Aerospace Sterer Engineering | Current | 2018-10-02 |
| 53590-2 | Valve, Emergency Brake | Eaton Aerospace Sterer Engineering | Current | 2018-10-02 |
| 53590-4 | Valve, Emergency Brake | Eaton Aerospace Sterer Engineering | Current | 2018-10-02 |
| 53590-4 | Valve, Emergency Brake | Eaton Aerospace Sterer Engineering | Current | 2018-10-02 |
| 5401-043 | Cable Assy.-Control Box Synchronizer | ONTIC Engineering & Manufacturing Inc | Current | 2007-05-13 |
| 5401-043 | Cable Assy-Control Box Synchronizer | ONTIC Engineering & Manufacturing Inc | Current | 2006-08-08 |