| 405040A-838 | Configuration Module | Thrane & Thrane Inc | Historical | 2013-08-13 |
| 405040A-838 | Configuration Module | Wulfsberg Electronics Division | Current | 2019-06-29 |
| 405621B-THR | Two Wire Handset (black) | Thrane & Thrane Inc | Historical | 2013-08-13 |
| 405621B-THR | 2-Wire Handset Cradle (Black) | Wulfsberg Electronics Division | Current | 2019-06-29 |
| 405621B-THR | 2-Wire Handset Cradle (Black) | Comant Industries Inc | Historical | 2021-10-24 |
| 405621B-THW | 2-Wire Handset Cradle (White) | Wulfsberg Electronics Division | Current | 2019-06-29 |
| 405621B-THW | 2-Wire Handset (White) | Comant Industries Inc | Historical | 2022-09-18 |
| 405622B-THR | Two Wire Cradle (black) | Thrane & Thrane Inc | Historical | 2013-08-13 |
| 405622B-THR | 2-Wire Handset (Black) | Wulfsberg Electronics Division | Current | 2019-06-29 |
| 405622B-THR | 2-Wire Handset (Black) | Comant Industries Inc | Historical | 2021-10-24 |
| 405622B-THW | 2-Wire Handset (White) | Wulfsberg Electronics Division | Current | 2019-06-29 |
| 405622B-THW | 2-Wire Handset Cradle (White) | Comant Industries Inc | Historical | 2022-09-18 |
| 405624B-THR | AVIATOR Wireless Handset | Thrane & Thrane Inc | Historical | 2011-06-11 |
| 405624B-THR | Wireless Handset (Black) | Wulfsberg Electronics Division | Current | 2019-06-29 |
| 405624B-THR | Wireless Handset (Black) | Comant Industries Inc | Historical | 2021-10-24 |
| 405624B-THW | AVIATOR Wireless Handset | Thrane & Thrane Inc | Historical | 2011-06-11 |
| 405624B-THW | Wireless Handset (White) | Wulfsberg Electronics Division | Current | 2019-06-29 |
| 405624B-THW | Wireless Handset (White) | Comant Industries Inc | Historical | 2021-10-24 |
| 405626B-THR | AVIATOR Wireless Cradle | Thrane & Thrane Inc | Historical | 2011-06-11 |
| 405626B-THR | Wireless Handset Cradle (Black) | Wulfsberg Electronics Division | Current | 2019-06-29 |
| 405626B-THR | Wireless Handset Cradle (Black) | Comant Industries Inc | Historical | 2021-10-24 |
| 405626B-THW | AVIATOR Wireless Cradle | Thrane & Thrane Inc | Historical | 2011-06-11 |
| 405626B-THW | Wireless Handset Cradle (White) | Wulfsberg Electronics Division | Current | 2019-06-29 |
| 405626B-THW | Wireless Handset Cradle (White) | Comant Industries Inc | Historical | 2021-10-24 |
| 4200-011-10 | Circuit Breaker | Labinal, LLC | Current | 2006-10-14 |
| 4200-011-15 | Circuit Breaker | Labinal, LLC | Current | 2006-10-14 |
| 4200-011-20 | Circuit Breaker | Labinal, LLC | Current | 2006-10-14 |
| 4200-011-3 | Circuit Breaker | Labinal, LLC | Current | 2006-10-14 |
| 4200-011-5 | Circuit Breaker | Labinal, LLC | Current | 2006-10-14 |
| 4200-011-705 | Circuit Breaker | Labinal, LLC | Current | 2006-10-14 |
| 42000809-1 | Emergency Landing Gear Selector Valve | Meggitt Safety Systems Inc | Historical | 2015-02-23 |
| 42000809-1 | Emergency Landing Gear Selector Valve | Pacific Scientific, HTL/Kin-Tech Div | Historical | 2008-03-30 |
| 4222366-1003 | Outflow Valve | Honeywell International Inc. | Current | 2022-12-15 |
| 447883LA | Valve, Safety Assy | LanAir Research and Development Inc | Current | 2024-11-05 |
| 447883LA | Valve, Safety Assy | LanAir Research and Development Inc | Current | 2024-11-05 |
| 453508-505 | Scissor Assembly - Upper | Gulfstream Aerospace Corporation | Current | 2008-03-31 |
| 453509-503 | Scissor Assembly. - Lower | Gulfstream Aerospace Corporation | Current | 2008-03-31 |
| 4AS1271053-501 | Tube | Gulfstream Aerospace Corporation | Current | 2005-08-14 |
| 4AS1271054-501 | Tube | Gulfstream Aerospace Corporation | Current | 2005-08-14 |
| 4AS1271055-501 | Tube | Gulfstream Aerospace Corporation | Current | 2005-08-14 |
| 4AS1271056-501 | Tube | Gulfstream Aerospace Corporation | Current | 2005-08-14 |
| 4AS1271057-501 | Tube | Gulfstream Aerospace Corporation | Current | 2005-08-14 |
| 4AS1310552-001 | Clip | Gulfstream Aerospace Corporation | Current | 2008-03-31 |
| 4AS1310552-003 | Fwd Clip | Gulfstream Aerospace Corporation | Current | 2008-03-31 |
| 4AS1310552-005 | Aft Clip | Gulfstream Aerospace Corporation | Current | 2008-03-31 |
| 4AS1310552-007 | Fwd Clip | Gulfstream Aerospace Corporation | Current | 2008-03-31 |
| 4AS1310552-009 | Aft Clip | Gulfstream Aerospace Corporation | Current | 2008-03-31 |
| 4AS1310552-011 | Clip | Gulfstream Aerospace Corporation | Current | 2008-03-31 |
| 4AS1310552-013 | Upper Cover | Gulfstream Aerospace Corporation | Current | 2008-03-31 |
| 4AS1730024-005 | Seal | Gulfstream Aerospace Corporation | Current | 2005-08-14 |