| 30300015 | Fire Extinguisher | Pacific Scientific, HTL/Kin-Tech Div | Current | 1995-11-15 |
| 304 | Plate | Dynamic Propeller | Historical | 2009-09-30 |
| 30400031-1 | Fire Extinguisher | Meggitt Safety Systems Inc | Historical | 2015-02-23 |
| 30400031-1 | Fire Extinguisher | Pacific Scientific, HTL/Kin-Tech Div | Current | 1995-11-15 |
| 30401102 | Fire Extinguisher | Meggitt Safety Systems Inc | Historical | 2015-02-23 |
| 30401102 | Fire Extinguisher | Pacific Scientific, HTL/Kin-Tech Div | Current | 1995-11-15 |
| 305 | Rear Window | LP Aero Plastics Inc | Current | 2007-11-15 |
| 305002-01 | SR 623, 2PDT Relay W/Plate | Sandia Aerospace | Historical | 2010-05-26 |
| 305005-01 | SA 3, Regulator Dimming Module | Sandia Aerospace | Historical | 2010-05-26 |
| 305018-00 | SRU 5, 5 Card Module Front Load | Sandia Aerospace | Historical | 2010-05-26 |
| 30510-1128 | Control Unit | Sigma Tek Inc | Current | 1996-08-03 |
| 30520-1028 | Computer Amplifier | Sigma Tek Inc | Current | 1996-08-03 |
| 306 | Windshield | LP Aero Plastics Inc | Current | 2007-11-15 |
| 306 | Windshield | LP Aero Plastics Inc | Current | 1994-11-21 |
| 3060K-B | Radome Assembly Bendix Radar RDR-100/110 | Norton Performance Plastics Corp, Composites Operations | Current | 1992-08-24 |
| 3060X | Radome Kit | Norton Performance Plastics Corp, Composites Operations | Current | 1992-08-24 |
| 30665-002 | Nickle Cadmium Battery ATSP-400-2 | MarathonNorco Aerospace, Inc. | Current | 1994-07-30 |
| 30700009-1 | Fire Extinguisher | Meggitt Safety Systems Inc | Historical | 2015-02-23 |
| 30700009-1 | Fire Extinguisher | Pacific Scientific, HTL/Kin-Tech Div | Current | 1995-11-15 |
| 3077K | Gasket | LoPresti Speed Merchants | Current | 2015-09-14 |
| 3077K | Gasket | LoPresti Speed Merchants | Current | 2015-10-27 |
| 308, 308.187 | Windshield | LP Aero Plastics Inc | Current | 2007-11-15 |
| 3084K-B, AD3084K-3 | Radome Kit Bendix RDR-100/110 Series Radar Systm | Norton Performance Plastics Corp, Composites Operations | Current | 1992-08-24 |
| 3084X | Radome Kit | Norton Performance Plastics Corp, Composites Operations | Current | 1992-08-24 |
| 309 | Windshield | LP Aero Plastics Inc | Current | 2007-12-11 |
| 30976-001 and Installation Kit 30865-001 | Nickel Cadmium Battery ATCA-441 and installation kit | MarathonNorco Aerospace, Inc. | Current | 1994-07-30 |
| 30978-001 and Installation Kit 30865-001 | Nickel Cadmium Battery ATSP-441 and installation kit | MarathonNorco Aerospace, Inc. | Current | 1994-07-30 |
| 30978-002 | Nickel-Cadmium Battery ATSP-44 | MarathonNorco Aerospace, Inc. | Current | 1992-12-31 |
| 3097X | Radome Kit | Norton Performance Plastics Corp, Composites Operations | Current | 1992-08-24 |
| 30994-001 | Nickle Cadmium Battery TSP-410 | MarathonNorco Aerospace, Inc. | Current | 1994-07-30 |
| 30ARM300-71A-( ) | Antenna Stand-off Mast | Dayton Granger Inc | Current | 1993-12-26 |
| 30ARM300-72A-( ) | Antenna Stand-off Mast | Dayton Granger Inc | Current | 1993-12-26 |
| 30D05 | Diode | S-TEC Corporation | Current | 2003-04-14 |
| 30D50 | Diode | S-TEC Corporation | Current | 2003-04-14 |
| 31 Series | Fowler Flap System Kit | Sierra Industries, Ltd. | Current | 2006-06-21 |
| 31-03-LGF | Left Landing Gear Strut Fairing | Texas Aero Plastics | Current | 1992-01-07 |
| 31-03-RGF | Right Landing Gear Strut Fairing | Texas Aero Plastics | Current | 1992-01-07 |
| 31-07-LBC | Left Brake Cover Fairing | Texas Aero Plastics | Current | 1992-01-07 |
| 31-07-RBC | Right Brake Cover Fairing | Texas Aero Plastics | Current | 1992-01-07 |
| 31-08-08-LBC | Left Brake Cover Fairing | Texas Aero Plastics | Current | 1992-01-07 |
| 31-08-RBC | Right Brake Cover Fairing | Texas Aero Plastics | Current | 1992-01-07 |
| 31-09 | Stabilizer Tip | Texas Aero Plastics | Historical | 1995-08-12 |
| 31-10 Left | Part Name Tip, Elevator | Texas Aero Plastics | Current | 1997-12-07 |
| 31-10 Right | Part Name Tip, Elevator | Texas Aero Plastics | Current | 1997-12-07 |
| 31-11 | Stabilizer Tip | Texas Aero Plastics | Current | 1993-05-17 |
| 31-12 | Fairing Dorsal Fin Tip | Texas Aero Plastics | Historical | 1995-08-12 |
| 31-25 | Lower Cabin Door Support Cables | Aero Cables Corporation | Current | 1985-04-21 |
| 31000001 | Recognition Light -Stabilizer | Devore Aviation Corp of America | Current | 1976-08-04 |
| 31000001 | Vertical Tail Floodlight | Devore Aviation Corp of America | Current | 1981-10-12 |
| 31000001 | Recognition Light -Stabilizer | Devore Aviation Corp of America | Current | 1980-03-02 |