| 2639-26U | T-1 NVIS Filtered Lamps | Aviation Specialties Unlimited Inc | Current | 2010-10-20 |
| 2651-311-1 | Lavatory Drain Valve Assembly | Rockwell Collins Inc | Current | 2016-05-31 |
| 2651-311-1 | Lavatory Drain Valve Assembly | Rockwell Collins Electromechanical Systems (formerly Kaiser Electroprecision) | Historical | 2006-03-21 |
| 2651-357-1 | Panel Ball Valve | Rockwell Collins Inc | Current | 2016-05-31 |
| 2654-73P | T-1 NVIS Filtered Lamps | Aviation Specialties Unlimited Inc | Current | 2010-10-20 |
| 2654-73U | T-1 NVIS Filtered Lamps | Aviation Specialties Unlimited Inc | Current | 2010-10-20 |
| 2690-8 | T-1 NVIS Filtered Lamps | Aviation Specialties Unlimited Inc | Current | 2010-10-20 |
| 2690-9 | T-1 NVIS Filtered Lamps | Aviation Specialties Unlimited Inc | Current | 2010-10-20 |
| 26S-5D5088-01 | Inboard Wing De-icer, LH | Goodrich Sensors and Integrated Systems | Current | 2013-04-07 |
| 26S-5D5088-02 | Inboard Wing De-icer, RH | Goodrich Sensors and Integrated Systems | Current | 2013-04-07 |
| 26S-5D5088-03 | Outboard Wing De-icer, LH | Goodrich Sensors and Integrated Systems | Current | 2013-04-07 |
| 26S-5D5088-04 | Outboard Wing De-icer, RH | Goodrich Sensors and Integrated Systems | Current | 2013-04-07 |
| 26S-5D5088-05 | Horizontal Stabilizer De-icer, LH | Goodrich Sensors and Integrated Systems | Current | 2013-04-07 |
| 26S-5D5088-06 | Horizontal Stabilizer De-icer, RH | Goodrich Sensors and Integrated Systems | Current | 2013-04-07 |
| 27 | Floor Panel | Teklam | Historical | 2004-05-10 |
| 28 | Floor Panel | Teklam | Historical | 2004-05-10 |
| 28-230A001 | Replacement Assembly Closeout for Baggage Bin | Midcoast Aviation Inc | Current | 2004-09-20 |
| 29 | Floor Panel | Teklam | Historical | 2004-05-10 |
| 29520 | CONE | Timken Corporation | Current | 2016-05-23 |
| 29520 | CONE | Timken Corporation | Current | 2014-06-28 |
| 29520 | Cone | Timken Company The | Current | 1999-10-23 |
| 3 | Floor Panel | Teklam | Historical | 2004-05-10 |
| 3-8018-100 | Visor Assy, ATR 42/72 | Aero Shade Technologies, Inc. | Historical | 2003-07-08 |
| 3-8018-100 | Visor Assembly, ATR 42/72 | Solartec Engineering Inc | Current | 2004-07-14 |
| 30 | Floor Panel | Teklam | Current | 2004-05-10 |
| 3001437-0005 | Assembly, Type I Handset (Hand Out Phone) | Hughes Network Systems, Subsidiary of Hughes Acft Co | Current | 1995-04-10 |
| 30100022-4 | Lavex Fire Bottle | Meggitt Safety Systems Inc | Current | 2015-01-04 |
| 30100022-4 | Lavex Fire Bottle | Pacific Scientific, HTL/Kin-Tech Div | Current | 1992-02-11 |
| 30100060-4 | Lavatory Extinguisher | Meggitt Safety Systems Inc | Historical | 2015-02-23 |
| 3034VBW | Marker- Use etc. | Aero Decals Inc | Current | 2005-01-30 |
| 31 | Floor Panel | Teklam | Historical | 2004-05-10 |
| 3100035 | Thermocouple Brake Type K | Rosemount Aerospace Inc | Current | 2000-01-26 |
| 3100035 Env Dwg, 3433600 Shop Dwg, 3100035 Parts List | Thermocouple | Lewis Engineering Co, Coltec Industries | Current | 1992-04-05 |
| 3100040 | Cold Junction Compensator (RH) | Rosemount Aerospace Inc | Current | 2000-01-26 |
| 3100040 Env Dwg, 3433603 Shop Dwg, 3100040 Parts List | Compensator | Lewis Engineering Co, Coltec Industries | Current | 1992-04-05 |
| 3100047 | Cold Junction Compensator (LH) | Rosemount Aerospace Inc | Current | 2000-01-26 |
| 3100047 Env Dwg, 3433604 Shop Dwg, 3100047 Parts List | Compensator | Lewis Engineering Co, Coltec Industries | Current | 1992-04-05 |
| 31600001 | Tail Rotor Floodlight -Stabilizer | Devore Aviation Corp of America | Current | 1976-08-04 |
| 3163268-1PR | Ring Piston Matched Set | Precision Ring Inc | Current | 2002-10-06 |
| 3163811JP-7 | Poppet | Jet Parts Engineering Inc | Current | 2009-12-07 |
| 3163812-12WE | Guide-Valve | Wencor LLC | Current | 2017-11-19 |
| 3163812-12WE | Guide-Valve | Wencor LLC | Current | 2010-02-02 |
| 3163812-12WE | Guide-Valve | Wencor West Inc | Current | 2007-05-19 |
| 3163812JP-12 | Guide/ Valve | Jet Parts Engineering Inc | Current | 2010-08-04 |
| 3163812JP-2 | Guide Plate | Jet Parts Engineering Inc | Current | 2009-12-07 |
| 3165433JP-1 | Poppet | Jet Parts Engineering Inc | Current | 2009-12-07 |
| 31714-001 | Nickel-Cadmium Battery TSP-442 | MarathonNorco Aerospace, Inc. | Current | 1992-12-31 |
| 3180-1001-1 & 3180-1001-2 Dwg. No. 3180-1001 dtd 4/26/83 | Lower Forward Panel | Tech Tool Plastics Inc | Current | 1989-03-08 |
| 3180-2002-1, 3180-2002-2 | Windshield | Tech Tool Plastics Inc | Current | 1985-03-12 |
| 3180-2003-1, 3180-2003-2 | Overhead | Tech Tool Plastics Inc | Current | 1985-03-12 |