The "D-Sub" subminiature multipole and composite/power/coax connectors are widely used for industrial and military and for some data and communications applications etc..

The basic format was for 9 to 50 pin but adaptations have evolved to accommodate higher currents, coaxial cables and higher contact densities together with a vast array of accessories to aid versatility, convenience of use and physical protection etc. https://en.wikipedia.org/wiki/D-subminiature

Note: Pending further product listings, please review our Other Resources & Picture Galleries We have a wide range in stock and other products can be made or sourced.