| 522080WA | Rivet, Tubular | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-020-154-01 | Front Seal Ring | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z1-020-155-01 | Rear Seal Ring | Optimum Engineering & Manufacturing | — | 72 | Powerplant | PMA |
| Z1-030-023-02 | Spanner Nut | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-030-067-02 | Face Plate | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-030-138-04 | Convex Washer | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-030-141-03 | Bolt Retainer, Sungear | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-030-165-03 | Lock Cup | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-030-191-11 | Gearshaft, Output | Optimum Engineering & Manufacturing | — | 25 | Interior / Furnishings | PMA |
| Z1-030-194-02 | Spanner Nut | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-030-195-01 | Locking Cup, Gearshaft Bearing | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z1-030-211-01 | Locking Cup, Bearing Retaining | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z1-030-265-01 | Plug, Output Gear | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z1-060-095-01 | Shoulder Bolt | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-060-118-01 | Bolt | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-060-119-02 | Lock, Mounting Pad | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-060-125-01 | Lock Cup | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-060-167-01 | Bushing | Optimum Engineering & Manufacturing | — | 25 | Interior / Furnishings | PMA |
| Z1-060-167-02 | Bushing | Optimum Engineering & Manufacturing | — | 25 | Interior / Furnishings | PMA |
| Z1-080-083-02 | Lock Cup | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-080-084-01 | Spanner Nut | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-080-261-01 | Pinion Liner | Optimum Engineering & Manufacturing | — | 72 | Powerplant | PMA |
| Z1-080-275-02 | Seal Spacer | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-080-310-01 | Gear Assembly | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z1-100-034-01 | Spanner Nut | Optimum Engineering & Manufacturing | — | 72 | Consumables / Hardware | PMA |
| Z1-100-144-01 | Sealing Plate | Optimum Engineering & Manufacturing | — | 72 | Powerplant | PMA |
| Z1-100-146-02 | Oil Ring, Bearing | Optimum Engineering & Manufacturing | — | 79 | Engine Accessories | PMA |
| Z1-100-146-04 | Oil Ring, Bearing | Optimum Engineering & Manufacturing | — | 72 | Powerplant | PMA |
| Z1-100-147-02 | Oil Ring, Bearing | Optimum Engineering & Manufacturing | — | 72 | Powerplant | PMA |
| Z1-100-148-01 | Lock Washer, Cup | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-100-276-01 | Lock Cup | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-100-292-02 | Body Bolt | Optimum Engineering & Manufacturing | — | 25 | Interior / Furnishings | PMA |
| Z1-100-293-01 | Nut, Special | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-100-423-01 | Lock Cup | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-100-502-02 | Bolt | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-100-538-01 | Dowel | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-103-047-01 | Oil Ring, Bearing | Optimum Engineering & Manufacturing | — | 72 | Powerplant | PMA |
| Z1-110-132-01 | Forward Cone | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-110-137-01 | Bolt | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-110-141-02 | Rear Cone | Optimum Engineering & Manufacturing | — | 72 | Engine Accessories | PMA |
| Z1-110-217-01 | Union, Scavenge | Optimum Engineering & Manufacturing | — | 20 | Consumables / Hardware | PMA |
| Z1-110-217-02 | Union, Scavenge | Optimum Engineering & Manufacturing | — | 79 | Engine Accessories | PMA |
| Z1-110-262-01 | Bolt | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-120-029-01, -02, -03 | Spacer Ring | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-130-218-03 | Flat Washer | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-130-235-01 | Washer, Key | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-130-245-01 | Bolt | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-130-256-01 | Stud | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-130-256-02 | Stud | Optimum Engineering & Manufacturing | — | — | Consumables / Hardware | PMA |
| Z1-130-265-01 | Washer | Optimum Engineering & Manufacturing | — | 25 | Interior / Furnishings | PMA |