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.

MIL-DTL-5015-based inserts
Reverse-bayonet connectors for existing equipment. Supply the original part number and drawing for replacement assessment.
| Coupling | Reverse bayonet |
|---|---|
| Contacts | AWG crimp or solder options |
| Design use | Existing equipment and replacement parts |
| New designs | Ask for the GCA range |
Reference-family data. Confirm dimensions, ratings, materials and approvals for the exact quoted part.
Manufacturer lifecycle guidance: GCA-B is intended to be replaced by GCA in the long term and is not recommended for new designs.