| psc | description |
| •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• | |
| 2910 | Engine fuel system components, non-aircraft |
| 2915 | Engine fuel system components, aircraft & missile prime movers |
| 2920 | Engine electrical system components, non-aircraft |
| 2925 | Engine electrical system components, aircraft prime moving |
| 2930 | Engine cooling system components, non-aircraft |
| 2935 | Engine cooling system components, aircraft prime moving |
| 2940 | Engine air & oil filters, strainers and cleaners, non-aircraft |
| 2945 | Engine air & oil filters, cleaners, aircraft prime moving |
| 2950 | Turbo-supercharger and components |
| 2990 | Miscellaneous engine accessories, non-aircraft |
| 2995 | Miscellaneous engine accessories, aircraft |
