| PSC | Description
|
| 1610 | Aircraft Propellers and Components |
| 1615 | Helicopter Rotor Blades, Drive Mechanisms and Components |
| 1620 | Aircraft Landing Gear Components |
| 1630 | Aircraft Wheel and Brake Systems |
| 1640 | Aircraft Control Cable Products |
| 1650 | Aircraft Hydraulic, Vacuum, and De-icing System Components |
| 1660 | Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| 1670 | Parachutes; Aerial Pick Up, Delivery, Recovery Systems; and Cargo Tie Down Equipment |
| 1675 | Space Vehicle Components |
| 1677 | Space Vehicle Remote Control Systems |
| 1680 | Miscellaneous Aircraft Accessories and Components |