| Subgroup Name | Actions |
|---|---|
| Engine Fuel System Components, Nonaircraft | |
| Engine Fuel System Components, Aircraft And Missile Prime Movers | |
| Engine Electrical System Components, Nonaircraft | |
| Engine Electrical System Components, Aircraft Prime Moving | |
| Engine Cooling System Components, Nonaircraft | |
| Engine System Cooling Components, Aircraft Prime Moving | |
| Engine Air And Oil Filters, Strainers, And Cleaners, Nonaircraft | |
| Engine Air And Oil Filters, Cleaners, Aircraft Prime Moving | |
| Turbosupercharger And Components | |
| Miscellaneous Engine Accessories, Nonaircraft | |
| Miscellaneous Engine Accessories, Aircraft |
