Keying plug for Dynamic D-3 housings
The 175855-1 is a polarizing device — a keying plug — for the TE Dynamic D-3 connector series, used to prevent mismating between identical-position housings in multi-cable harnesses.

TE Connectivity AMP Connectors Dynamic D-3 polarizing device (key, plug, post), order code 175855-1, accessory type keying plug, for Dynamic Series, Box package, RoHS Compliant.
| Parameter | Value |
|---|---|
| Series | Dynamic D-3 |
| Accessory type | Polarizing Device (Key, Plug, Post) |
| Package | Box |
| For use with (Related products) | Dynamic Series |
The 175855-1 is a polarizing device — a keying plug — for the TE Dynamic D-3 connector series, used to prevent mismating between identical-position housings in multi-cable harnesses.