Souriau Sunbank by Eaton, 851, Copper Alloy 55 Way Panel Mount MIL Spec Circular Connector Receptacle, Pin

Solder contacts Ø 1 mm for 24 → 18 AWG cable (cross-section = 0.21 → 0.93 mm²).
The 1412 model also features 4 size 16 contacts (Ø 1.6 mm) for 18 → 14 AWG cable (cross-section = 0.93 → 1.91 mm²).

851 and 451 series cylindrical connectors

Initially designed for the aeronautics and weapons industry, the 851 series is now widely used in diverse industrial electrical and electronics fields (measurement, instrumentation, transport, machine-tools, industrial automation etc.).
Meets applicable national and international standards and specifications: NFC 93422 -
HE 301 B, MIL-C 26482G series 1, list GAM/T 1.