Souriau Sunbank by Eaton, 851 19 Way Cable Mount MIL Spec Circular Connector Plug, Socket Contacts,Shell Size 14,

Plugs with straight connector and cable clamp.
Solder contacts for 24 → 18 AWG cable (cross-section = 0.21 → 0.93 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.