| YA75-3631-4 | Bracket-Stiffener Fire Extinguisher Door | Yesteryear Aviation Inc | — | 26 | Safety / Emergency | PMA |
| YA75-3631-6 | Handle Fire Extinguisher Door | Yesteryear Aviation Inc | — | 25 | Safety / Emergency | PMA |
| YA75-3631-8 | Catch Handle Fire Extinguisher Door | Yesteryear Aviation Inc | — | 26 | Safety / Emergency | PMA |
| YA75-3631-9 | Hinge Half Fire Door Handle | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YA75-3642 | Spring Fire Door Latch | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YA75-3802 | Clip-Instrument Base | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YA75-3809 | Bracket-Instrument Panel | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YA75-3812 | Angle-Reinforcement Instrument Base Upper | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YA75-3839-1 | Base Assembly Instrument Panel Front | Yesteryear Aviation Inc | — | 56 | Structures | PMA |
| YA75-3839-2 | Base Assembly Instrument Panel Rear | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YA75-3840 | Bracket-Bushing Support Lower Left Hand | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YA75-3840-1 | Bracket-Bushing Support Lower Right Hand | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YA75-3841 | Bracket-Bushing Support Upper Left Hand | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YA75-3841-1 | Bracket Bushing Support Upper Right Hand | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YA75-3910-1 | Shaft-Ignition Switch Torque | Yesteryear Aviation Inc | — | 74 | Engine Systems | PMA |
| YA75-3910-2 | Shaft-Ignition Switch Torque | Yesteryear Aviation Inc | — | 20 | unknown | PMA |
| YA75-3913-1 | Bearing Magneto Control Switch | Yesteryear Aviation Inc | — | 74 | Engine Systems | PMA |
| YA75-3913-2 | Bearing Magneto Control Switch | Yesteryear Aviation Inc | — | 20 | Consumables / Hardware | PMA |
| YA75-4513-11 | Washer-Special Rudder Idler Arm | Yesteryear Aviation Inc | — | 27 | Flight Controls | PMA |
| YA75-4513-16 | Washer-Special Instrument Panel | Yesteryear Aviation Inc | — | 56 | Structures | PMA |
| YA75-4520-1 | Bushing-Double Shoulder Type. Center Section | Yesteryear Aviation Inc | — | 20 | Consumables / Hardware | PMA |
| YA75-4520-2 | Bushing-Double Shoulder Type. Center Section | Yesteryear Aviation Inc | — | 20 | Consumables / Hardware | PMA |
| YA8313 | Gasket - Vacuum Pump Cover | Yesteryear Aviation Inc | — | 85 | Consumables / Hardware | PMA |
| YA843-B | Gasket-Oil Pump | Yesteryear Aviation Inc | — | 85 | Consumables / Hardware | PMA |
| YA848-B | Gasket - Carburetor Mount | Yesteryear Aviation Inc | — | 85 | Consumables / Hardware | PMA |
| YA849-C | Gasket-Oil Relief Valve | Yesteryear Aviation Inc | — | 79 | Engine / Fuel | PMA |
| YA852-D | Gasket - Accessory Drive Housing | Yesteryear Aviation Inc | — | 85 | Consumables / Hardware | PMA |
| YAC2A-G | Gasket-C2A Fuel Sump | Yesteryear Aviation Inc | — | 20 | Consumables / Hardware | PMA |
| YAE75-3813 | Angle-Reinforcement Instrument Base Lower | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YAE75N1-3602 | Spring-Seat | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YAE75N1-3804 | Panel Assembly-Flight Instrument Floating | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YAE75N1-3804-1 | Panel-Floating Instrument Panel | Yesteryear Aviation Inc | — | 56 | Structures | PMA |
| YAE75N1-3804-B | Panel, Floating Blank | Yesteryear Aviation Inc | — | 56 | Structures | PMA |
| YAE75N1-3804-BA | Panel Assembly-Flight Instrument Floating | Yesteryear Aviation Inc | — | 56 | Structures | PMA |
| YAE75N1-3804-L8 | Panel-Floating Instrument Panel | Yesteryear Aviation Inc | — | 56 | Structures | PMA |
| YAE75N1-3804-LA | Panel Assembly Flight-Instrument-Floating | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YAE75N1-3810-F | Base Instrument Panel Front | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YAE75N1-3810-R | Base Instrument Panel Rear | Yesteryear Aviation Inc | — | 56 | Structures | PMA |
| YAE75N1-3811 | Base Instrument Panel Front Drilled | Yesteryear Aviation Inc | — | 56 | Structures | PMA |
| YAE75N1-3812 | Base Instrument Panel Rear Drilled | Yesteryear Aviation Inc | — | 25 | Interior / Furnishings | PMA |
| YAS-106-50 | Clamp Stearman 3/4 inch Tube Steel | Yesteryear Aviation Inc | — | 33 | Electromechanical | PMA |
| YAS-106-D51 | Clamp Stearman 3/4 inch Tube Aluminum | Yesteryear Aviation Inc | — | 33 | Electromechanical | PMA |
| YAS-106-D64 | Clamp Stearman 3/4 inch Tube Aluminum | Yesteryear Aviation Inc | — | 33 | Electromechanical | PMA |
| YAS-107-50 | Clamp Stearman 7/8 inch Tube Steel | Yesteryear Aviation Inc | — | 20 | Consumables / Hardware | PMA |
| YAS-107-D51 | Clamp Stearman 7/8 inch Tube Aluminum | Yesteryear Aviation Inc | — | 33 | Electromechanical | PMA |
| YAS-108-50 | Clamp Stearman 1 inch Tube Steel | Yesteryear Aviation Inc | — | 20 | Consumables / Hardware | PMA |
| YAS-108-D51 | Clamp Stearman 1 inch Tube Aluminum | Yesteryear Aviation Inc | — | 20 | Consumables / Hardware | PMA |
| YAS-108-D64 | Clamp Stearman 1 inch Tube Aluminum | Yesteryear Aviation Inc | — | 33 | Electromechanical | PMA |
| YAS-109-50 | Clamp Stearman 1-1/8 inch Tube Steel | Yesteryear Aviation Inc | — | 20 | Consumables / Hardware | PMA |
| YAS-109-D51 | Clamp Stearman 1-1/8 inch Tube Aluminum | Yesteryear Aviation Inc | — | 20 | Consumables / Hardware | PMA |