| Helicopter Tech, Inc. P/N R47-120-135-107 | Grip Main Rotor | Helicopter Technology Inc | — | 62 | Mechanical | PMA |
| Helicopter Tech, Inc. P/N R47-120-183-103 | Adapter, Steel Yoke, Main Rotor Blade Grip | Helicopter Technology Inc | — | 62 | Flight Controls | PMA |
| Helicopter Tech, Inc. P/N R47-120-252-115 | Grip Main Rotor | Helicopter Technology Inc | — | 62 | Flight Controls | PMA |
| R204-040-514-1 | Glass, Sight Gage Oil Gear Box | Helicopter Technology Inc | | 79 | Avionics | PMA |
| R47-110-304-1 | Link, motor blade drag brace | Helicopter Technology Inc | — | 72 | Engine Accessories | PMA |
| R47-110-372-1 | Drag Brace Assembly | Helicopter Technology Inc | — | 32 | Landing Gear | PMA |
| R47-110-373-1 | Clevis, inboard drag brace metal blade | Helicopter Technology Inc | — | 72 | Engine Accessories | PMA |
| R47-110-374-1 | Clevis, outboard | Helicopter Technology Inc | — | 27 | Mechanical | PMA |
| R47-110-378-1 | Rod, tie | Helicopter Technology Inc | — | 27 | Mechanical | PMA |
| R47-130-116-1 | Locknut, Mast (Main) | Helicopter Technology Inc | — | 20 | Consumables / Hardware | PMA |
| R47-140-252-1 (Replaced by, R47-140-253-1) | Bearing, Rod End | Helicopter Technology Inc | — | 27 | Mechanical | PMA |
| R47-140-252-3 | Bearing, Rod End | Helicopter Technology Inc | | 27 | Mechanical | PMA |
| R47-140-252-5 | Bearing, Rod End | Helicopter Technology Inc | | 27 | Mechanical | PMA |
| R47-150-213-1 | Pin, Needle Bearing, Gimbal Ring Support | Helicopter Technology Inc | — | — | Consumables / Hardware | PMA |
| R47-620-485-9 | Screw, Rotor Driving Flange, Shear Type | Helicopter Technology Inc | — | 20 | Consumables / Hardware | PMA |
| R47-620-518-1 | Cage | Helicopter Technology Inc | — | — | Consumables / Hardware | PMA |
| R47-620-619-1, -3, -5, -7 | Pin Clutch Pivot | Helicopter Technology Inc | — | 20 | Consumables / Hardware | PMA |
| R47-620-691-3 | Drum, Centrifugal Clutch, Transmission | Helicopter Technology Inc | — | 63 | Mechanical | PMA |
| R47-620-691-5 | Drum, Centrifugal Clutch, Transmission | Helicopter Technology Inc | — | 63 | Mechanical | PMA |
| R47-620-692-1 | Pin | Helicopter Technology Inc | — | 20 | Consumables / Hardware | PMA |
| R47-644-130-11 | Coupling | Helicopter Technology Inc | — | 63 | Mechanical | PMA |
| R47-644-131-2 | Coupling | Helicopter Technology Inc | — | 63 | Mechanical | PMA |
| R47-644-180-11 | Shaft Ass'y, Tail Rotor Drive | Helicopter Technology Inc | — | 64 | unknown | PMA |
| R47-644-180-9 | Shaft Ass'y, Tail Rotor Drive | Helicopter Technology Inc | — | 64 | unknown | PMA |
| R47-644-187-17 | Shaft Ass'y, Tail Rotor Drive | Helicopter Technology Inc | — | 64 | unknown | PMA |
| R47-644-214-9 | Shaft Ass'y, Main, Tail Rotor Drive | Helicopter Technology Inc | — | 64 | unknown | PMA |
| R47-645-239-1 | Bearing, Tail Rotor Drive Shaft | Helicopter Technology Inc | — | 64 | Consumables / Hardware | PMA |