| 404700-3 | Positive-Negative Relief Valve | HR Textron Inc | Historical | 2000-02-16 |
| 405 | Right front door domed window | LP Aero Plastics Inc | Current | 2008-10-05 |
| 4051 | Vacuum System | Precise Flight Inc | Current | 2000-08-30 |
| 4055 | Vacuum System | Precise Flight Inc | Current | 2000-08-30 |
| 4057KX | Radome Kit | Norton Performance Plastics Corp, Composites Operations | Current | 1992-08-24 |
| 406 | Windshield | LP Aero Plastics Inc | Current | 2007-12-26 |
| 406 | Windshield | LP Aero Plastics Inc | Current | 2002-02-13 |
| 406610-0005 | Turbo Charger | Honeywell International, Turbocharging Systems | Current | 1996-07-09 |
| 406610-0018 | Turbocharger | Hartzell Engine Technologies LLC | Current | 2010-10-20 |
| 406610-0018 | Turbocharger | Hartzell Engine Technologies LLC | Current | 2013-02-24 |
| 406610-0022 | Turbocharger | Hartzell Engine Technologies LLC | Current | 2010-10-20 |
| 406610-0022 | Turbocharger | Hartzell Engine Technologies LLC | Current | 2013-02-24 |
| 406610-0030 | Turbocharger | Honeywell International, Turbocharging Systems | Current | 2000-11-02 |
| 406610-30 | Turbocharger | Hartzell Engine Technologies LLC | Current | 2010-10-20 |
| 406610-30 | Turbocharger | Hartzell Engine Technologies LLC | Current | 2013-02-24 |
| 406610-30 | Turbo-charger | Consolidated Fuel Systems Inc | Current | 2002-03-03 |
| 406610-5 | Turbo-charger | Consolidated Fuel Systems Inc | Current | 2001-12-16 |
| 406970-0001 | Turbocharger | Honeywell International, Turbocharging Systems | Current | 2000-11-02 |
| 406970-1 | Turbo-charger | Consolidated Fuel Systems Inc | Current | 2002-03-03 |
| 40850-1114 | Controller Amplifier | Sigma Tek Inc | Current | 1996-08-03 |
| 40850-1128 | Controller Amplifier | Sigma Tek Inc | Current | 1996-08-03 |
| 40910-0000 | Slaving Meter | Sigma Tek Inc | Current | 1996-08-03 |
| 4096X | Radome Kit | Norton Performance Plastics Corp, Composites Operations | Current | 1992-08-24 |
| 41-0110 | Stretcher, Portable | Aviation Fabricators | Current | 2008-12-29 |
| 41-0110K | Portable Stretcher Installation | Aviation Fabricators Inc | Current | 2014-03-23 |
| 41-0111 | Stretcher | Aviation Fabricators | Current | 2010-06-16 |
| 41-0111 | Stretcher | Aviation Fabricators | Historical | 1995-01-22 |
| 41-0111, Av. Fab. Dwg. List AF-121 dtd 7-14-92, or later FAA-approved rev | Stretcher | Aviation Fabricators | Current | 2008-12-08 |
| 41-0111K | Stretcher Installation | Aviation Fabricators Inc | Current | 2013-07-31 |
| 41-0111K-1 | Stretcher Installation | Aviation Fabricators Inc | Current | 2013-07-31 |
| 41-0116 | Auxiliary Seat | Aviation Fabricators | Current | 2010-06-16 |
| 41-0116 | Auxiliary Seat | Aviation Fabricators | Historical | 1995-01-22 |
| 41-0116 Av. Fab. Dwg. List AF-117 dtd 5-25-90 or later FAA-approved rev | Aux Seat | Aviation Fabricators | Current | 2008-12-08 |
| 41-0116, Av. Fab. Dwg. List AF-117 dtd 5-25-90 or later FAA-approved rev | Aux Seat | Aviation Fabricators | Current | 2008-12-08 |
| 41-0116K | Auxiliary Seat Installation | Aviation Fabricators Inc | Current | 2013-07-31 |
| 41-0116K-1 | Auxiliary Seat Installation | Aviation Fabricators Inc | Current | 2013-07-31 |
| 410 | Left door window | LP Aero Plastics Inc | Current | 2007-11-20 |
| 410 (Cessna 1610032-15 (green tint)) | Left Door Window | LP Aero Plastics Inc | Current | 1994-10-27 |
| 4101 | Aircraft Payload Extender STOL | AeroAcoustics Aircraft Systems Inc | Current | 2015-06-13 |
| 41011120-101 | Actuator, Electro-mechanical (EMA) Rudder | Woodward HRT Inc | Current | 2009-06-28 |
| 41011120-101 | EMA Rudder | HR Textron Inc | Current | 1998-03-05 |
| 41011120-102 | Actuator, Electro-mechanical (EMA) Rudder | Woodward HRT Inc | Current | 2009-06-28 |
| 41011120-102 | EMA Rudder | HR Textron Inc | Current | 1998-03-05 |
| 41011120-103 | Actuator, Electro-mechanical (EMA) Rudder | Woodward HRT Inc | Current | 2009-06-28 |
| 41011120-103 | EMA Rudder | HR Textron Inc | Current | 1998-03-05 |
| 41011120-104 | Actuator, Electro-mechanical (EMA) Rudder | Woodward HRT Inc | Current | 2009-06-28 |
| 41011120-104 | EMA Rudder | HR Textron Inc | Current | 1998-03-05 |
| 41011120-107 | EMA Rudder | HR Textron Inc | Historical | 2001-04-28 |
| 41011120-108 | EMA Rudder | HR Textron Inc | Historical | 2001-04-28 |
| 41011680-106 | Actuator, Horizontal Stabilizer | Woodward HRT Inc | Current | 2009-06-28 |