The STEAM AK4220 is a ball head for AK400/420 helicopter swashplates, supplied as a set of two. Its threaded mounting uses a 2.5mm thread diameter and an M2.5×3mm thread specification for installation on the swashplate.
The STEAM AK4220 ball head is intended for use on AK400/420 helicopter swashplates. Each ball head has a mounting thread diameter of 2.5mm, with an M2.5×3mm thread specification. The supplied set contains two ball heads.
| Specification | Value & conditions |
|---|---|
| Model | STEAM AK4220 |
| Product type | Ball head |
| Application | For AK400/420 helicopter swashplates |
| Mounting thread diameter | 2.5mm |
| Thread specification | M2.5×3mm |
| Supplied quantity | 2 ball heads |
