| Z1-140-061-01 | Spanner Nut | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-140-062-03 | Lock Cup | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-140-142-02 | Locking Plate, Power Turbine | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z1-140-168-03 | Body Bolt | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-140-233-02 | Nut, Power Shaft | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z1-140-268-01 | Ring, Power Turbine Seal | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z1-140-276-01, -02, -03 | Spacer Ring | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-140-285-01 | Pin | Optimum Engineering & Manufacturing | — | 72 | Consumables / Hardware | PMA |
| Z1-160-136-01 | Bracket, Clamp | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-160-253-01 | Clip | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-160-414-02 | Bearing Liner | Optimum Engineering & Manufacturing | — | 72 | Powerplant | PMA |
| Z1-160-429-01 | Bearing Liner | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z1-170-500-01 | Tube Assembly | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-190-019-02 | Locking Plate | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z1-190-019-03 | Locking Plate | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-300-316-01 | Retaining Ring | Optimum Engineering & Manufacturing | — | 25 | Interior / Furnishings | PMA |
| Z1-300-688-01 | Gasket | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-300-689-01 | Gasket | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z3029T25P01 | Sleeve | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z3102125-2 | Tube Assembly | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z3102237-1 | Tube Assembly | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z3102285-1 | Tube Assembly | Optimum Engineering & Manufacturing | — | 20 | unknown | PMA |
| Z3102493-1 | Tube Assembly | Optimum Engineering & Manufacturing | — | 20 | unknown | PMA |
| Z3102819-1 | Tube Assembly | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z3102823-1 | Tube Assembly | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z3102824-1 | Tube Assembly | Optimum Engineering & Manufacturing | — | 20 | unknown | PMA |
| Z3108077-1 | Tube Assembly | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z3108086-1 | Tube Assembly | Optimum Engineering & Manufacturing | — | 20 | unknown | PMA |
| Z3108133-1 | Tube Assembly | Optimum Engineering & Manufacturing | — | 20 | unknown | PMA |
| Z310823-1 | Tube Assembly | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z310824-1 | Tube Assembly | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z37C301822P101 | Orifice | Optimum Engineering & Manufacturing | — | 25 | Interior / Furnishings | PMA |
| Z4007T29P01 | Stage 1 Sealing Shroud Sector | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z4007T29P07 | Stage 1 Sealing Shroud Sector | Optimum Engineering & Manufacturing | — | 72 | Powerplant | PMA |
| Z4007T30P01 | Stage 1 Shroud Sector | Optimum Engineering & Manufacturing | — | 72 | Powerplant | PMA |
| Z4007T30P06 | Stage 1 Shroud Sector | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z4902T04G01 | Turbine Nozzle Partition | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z4902T04G11 | Turbine Nozzle Partition | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z5900T16P01 | Fan Nozzle Partition | Optimum Engineering & Manufacturing | — | 72 | Powerplant | PMA |
| Z5900T23G01, Z5900T23G11 | Turbine Nozzle Partition | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z6A3497 | Half Bushing | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z895628-1 | Tube Assembly | Optimum Engineering & Manufacturing | — | 20 | unknown | PMA |