| psc | description |
| ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• | |
| 2805 | Gasoline reciprocating engines, except aircraft; and components |
| 2810 | Gasoline reciprocating engines, aircraft prime mover; and components |
| 2815 | Diesel engines & components |
| 2820 | Steam engines, reciprocating & components |
| 2825 | Steam turbines & components |
| 2830 | Water turbines, water wheels & components |
| 2835 | Gas turbines & jet engines; non-aircraft prime mover, aircraft non-prime mover and components |
| 2840 | Gas turbines & jet engines, aircraft, prime moving; and components |
| 2845 | Rocket engines & components |
| 2850 | Gasoline rotary engines & components |
| 2895 | Miscellaneous engines & components |
