Family reference imageD38999 Series III · Metal shell
MIL-DTL-38999 III / EN3645
Metal-shell circular connectors for signal, power and data interfaces in demanding environments.
Threaded circular · High-temperature classes
High-temperature threaded connectors for aircraft engine-area electrical interfaces, with class-specific environmental performance.
Aerospace
Engine-area auxiliary power and control harnesses.
| Standard reference | EN2997; related 83723 / ESC reference range |
|---|---|
| Coupling | Threaded with anti-decoupling design |
| 200 °C classes | K, S and Y |
| 260 °C classes | KE, SE and YE |
| Selection | Confirm exact EN2997 class and insert arrangement |
Reference-family data. Confirm dimensions, ratings, materials and approvals for the exact quoted part.
Class temperatures are reference-family limits, not a rating for every part.