| 20836 | Thermocouple- Nacelle | Harco Laboratories Inc | Current | 2003-03-23 |
| 20973 | Thermocouple- Immersion | Harco Laboratories Inc | Current | 2003-03-23 |
| 20979-0150MH | Male Flange, Rigid, 1.5 Dia. Duct, Low Profile | Eaton Aerospace | Current | 2003-01-26 |
| 20P78-5 | Valve, Air Shutoff | Honeywell International Inc, Aerospace Equipment Systems | Current | 1998-12-06 |
| 20P78-5 | Valve, Air Shut Off | Grimes Aerospace Co | Current | 1993-11-02 |
| 20P78-6 | Valve-Air Shutoff | Honeywell International Inc, Aerospace Equipment Systems | Current | 1998-12-06 |
| 210618 | PROPELLER OVERSPEED GOVERNOR | Woodward Inc | Current | 1979-05-01 |
| 210633 | PROPELLER OVERSPEED GOVERNOR | Woodward Inc | Current | 1978-02-26 |
| 210651 | PROPELLER OVERSPEED GOVERNOR | Woodward Inc | Current | 1979-05-01 |
| 2118960-004 (2118960-4) | Control - Electronic, supplemental | Honeywell International Inc, Controls and Accessories | Current | 1996-02-25 |
| 21235PMA | Junction Box and Harness Assembly, Thermocouple | Harco Laboratories Inc | Current | 2000-12-13 |
| 212638WE | Spring, Bearing Preload | Wencor LLC | Current | 2010-02-02 |
| 212638WE | Spring, Bearing Preload | Wencor West Inc | Historical | 2003-04-20 |
| 213342-1WA | Bearing, Matched Set | Wencor LLC | Current | 2010-02-02 |
| 213342-1WA | Bearing, Matched Set | Optimum Engineering & Manufacturing Inc | Current | 2003-05-31 |
| 213342-1WA | Bearing, Matched Set | Wencor West Inc | Current | 2007-08-05 |
| 213345WA | Bearing, Pressurized Driven | Wencor LLC | Current | 2010-02-02 |
| 213345WA | Bearing, Pressurized Driven | Optimum Engineering & Manufacturing Inc | Current | 2003-05-31 |
| 213345WA | Bearing, Pressurized Driven | Wencor West Inc | Current | 2007-08-05 |
| 213357WA | Bearing, Pressurized Drive | Wencor LLC | Current | 2010-02-02 |
| 213357WA | Bearing, Pressurized Drive | Optimum Engineering & Manufacturing Inc | Current | 2003-05-31 |
| 213357WA | Bearing, Pressurized Drive | Wencor West Inc | Current | 2007-08-05 |
| 21368 | Thermocouple- Immersion | Harco Laboratories Inc | Current | 2003-03-23 |
| 213864WE | Ring, Rotating Seal | Wencor LLC | Current | 2010-02-02 |
| 213864WE | Ring, Rotating Seal | Wencor West Inc | Current | 2004-01-13 |
| 214082-1TTC | Matched Gearset | Tara Technology Corporation, C/O G&N Rubicon Gear Inc | Current | 2001-01-04 |
| 214082-1WE | Gears, Matched Set | Wencor LLC | Current | 2010-02-02 |
| 214082-1WE | Gears, Matched Set | Wencor West Inc | Current | 2002-09-18 |
| 214082-1WE | Gears, Matched Set | Wencor West Inc | Current | 2001-02-26 |
| 214303-1WA | Bearing, Fixed, Matched Set | Wencor LLC | Current | 2010-02-02 |
| 214303-1WA | Bearings, Fixed, Matched Set | Optimum Engineering & Manufacturing Inc | Current | 2004-11-15 |
| 214303-1WA | Bearings, Fixed, Matched Set | Optimum Engineering & Manufacturing Inc | Current | 2004-11-21 |
| 214303-1WA | Bearing, Fixed, Matched Set | Wencor West Inc | Current | 2008-01-21 |
| 214306-1WA | Bearing, Pressurized | Wencor LLC | Current | 2010-02-02 |
| 214306-1WA | Bearing, Pressurized | Optimum Engineering & Manufacturing Inc | Current | 2004-11-21 |
| 214306-1WA | Bearing, Pressurized | Wencor West Inc | Current | 2008-01-21 |
| 214307-1WA | Bearing, Pressurized | Wencor LLC | Current | 2010-02-02 |
| 214307-1WA | Bearing, Pressurized | Optimum Engineering & Manufacturing Inc | Current | 2004-11-15 |
| 214307-1WA | Bearing, Pressurized | Optimum Engineering & Manufacturing Inc | Current | 2004-11-21 |
| 214307-1WA | Bearing, Pressurized | Wencor West Inc | Current | 2008-01-21 |
| 214630-1AFI | Gears, Matched Set | Jet Avion Corporation A HEICO Aerospace Company | Current | 2008-10-15 |
| 214630-1AFI | Gears-Matched Set | Aviation Facilities Inc | Historical | 2006-12-17 |
| 214630-1AFI | Gears-Matched Set | Aviation Facilities Inc | Historical | 2002-10-30 |
| 214630-1WE | Gears, Matched Set | Wencor LLC | Current | 2010-02-02 |
| 214630-1WE | Gears, Matched Set | Wencor West Inc | Current | 2002-09-18 |
| 214633-1WA | Bearings, Fixed, Matched Set | Optimum Engineering & Manufacturing Inc | Historical | 2004-07-31 |
| 214633JP-1 | Bearing Set | Jet Parts Engineering, Inc. (JPE) | Current | 2011-11-15 |
| 214633JP-1 | Bearing Set | Jet Parts Engineering, LLC. (JPE) | Current | 2020-11-26 |
| 214633JP-1 | Bearing Set | Jet Parts Engineering, Inc. (JPE) | Current | 2006-06-17 |
| 214634JP-1 | Bearing | Jet Parts Engineering, Inc. (JPE) | Current | 2011-11-15 |