| KMA245824 | Disc | PMA Aero Parts LLC | Current | 2022-12-27 |
| KMA842117 | Fitting, Fill and Safety | PMA Aero Parts LLC | Current | 2022-12-27 |
| L-AYLF-50425 | Temperature Sensitive Element | Symetrics Industries dba Extant Aerospace | Historical | 2017-03-19 |
| L-HYLZ-50422 | Temperature Control | Symetrics Industries dba Extant Aerospace | Historical | 2017-03-19 |
| L-HYLZ-50514-011 | Cabin Temperature Control | Symetrics Industries, LLC, a subsidiary of Extant Components Group Intermediate, Inc. | Historical | 2017-07-22 |
| L-HYLZ-50514-013 | Cabin Temperature Control | Symetrics Industries, LLC, a subsidiary of Extant Components Group Intermediate, Inc. | Historical | 2017-01-27 |
| L-HYLZ-50514-021 | Cabin Temperature Control | Symetrics Industries, LLC, a subsidiary of Extant Components Group Intermediate, Inc. | Historical | 2017-07-22 |
| L-HYLZ-50514-031 | Cabin Temperature Control | Symetrics Industries, LLC, a subsidiary of Extant Components Group Intermediate, Inc. | Historical | 2017-07-22 |
| L-HYLZ-50514-033 | Cabin Temperature Control | Symetrics Industries, LLC, a subsidiary of Extant Components Group Intermediate, Inc. | Historical | 2017-01-27 |
| L-HYLZ-50514-041 | Cabin Temperature Control | Symetrics Industries, LLC, a subsidiary of Extant Components Group Intermediate, Inc. | Historical | 2017-07-22 |
| L-HYLZ-50514-043 | Cabin Temperature Control | Symetrics Industries, LLC, a subsidiary of Extant Components Group Intermediate, Inc. | Historical | 2017-01-27 |
| L-HYLZ-51112 | Cabin Temp Control | Symetrics Industries, LLC, a subsidiary of Extant Components Group Intermediate, Inc. | Historical | 2017-07-22 |
| L/H PSU Panel | 74050600-5.0.3 | Duncan Aviation Inc | Current | 2011-05-14 |
| L/H Seat Rail Stop | 74051000-4.0.1 | Duncan Aviation Inc | Current | 2011-05-14 |
| L12YYXXXXES | L12YYXXXXES LED LAMP AND LAMP HOLDER | Aircraft Lighting International | Current | 2022-07-07 |
| L1309X | L1309 LED LIGHT BULB | Aircraft Lighting International | Historical | 2017-08-05 |
| L1309X | L1309 LED LIGHT BULB | Aircraft Lighting International | Current | 2021-08-19 |
| L305610 | Cup | Timken Company The | Historical | 2005-10-10 |
| L305610 | CONE | Timken Corporation | Current | 2016-05-23 |
| L305649 | Cone | Timken Company The | Historical | 2005-10-10 |
| L845XXXXS | 8MM LED Lighting System | Aircraft Lighting International | Historical | 2017-04-19 |
| L8YYXXXXS | 8MM LED Lighting System | Aircraft Lighting International | Current | 2022-04-26 |
| LA01000X200A20B6 | O-Ring | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA220X160A20B6 | O-Ring | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA3460X240A20B6 | O-Ring | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA412505 | Sleeve | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA419628 | Block, Locking | LanAir Research and Development Inc | Current | 2017-05-24 |
| LA449039 | Mask Lock | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA490X190A5005 | O-Ring | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA495357 | Sleeve | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA553008 | Gasket | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA553044 | Valve | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA555012 | Diaphragm | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA555015 | Diaphragm | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA555016 | Diaphragm | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA555033 | Diaphragm | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA555070 | Diaphragm | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA555153 | Diaphragm | LanAir Research and Development Inc | Current | 2024-08-27 |
| LA559018 | Dilution Screen | LanAir Research and Development Inc | Current | 2024-08-27 |
| LCD10004 | Body, 1/4 Valved Coupling | Duncan Aviation Inc | Current | 2010-01-07 |
| LCD10004 | Body, 1/4 Inch Valved Coupling | Duncan Aviation Inc | Current | 2013-12-08 |
| LCD10006 | Body, 3/8 Valved Coupling | Duncan Aviation Inc | Current | 2010-01-07 |
| LCD10006 | Body, 3/8 Inch Valved Coupling | Duncan Aviation Inc | Current | 2013-12-08 |
| LCD17006 | Body, 3/8 Barb Valved Coupling | Duncan Aviation Inc | Current | 2010-01-07 |
| LCD17006 | Body, 3/8 Inch Barb Valved Cup | Duncan Aviation Inc | Current | 2013-12-08 |
| LCD22006 | Insert, 3/8 Barb Valved Coupling | Duncan Aviation Inc | Current | 2010-01-07 |
| LCD22006 | Insert, 3/8 Inch Barb Valved Cup | Duncan Aviation Inc | Current | 2013-12-08 |
| LCD24004 | Insert, 1/4 Valved Coupling | Duncan Aviation Inc | Current | 2010-01-07 |
| LCD24004 | Insert, 1/4 Inch Valved Coupling | Duncan Aviation Inc | Current | 2013-12-08 |