Keg Coupler - D Type (US Sankey). This is a low profile coupler designed for situations where vertical space is limited.

Includes a pressure relief valve (releases at 55 PSI).

5/8 thread on gas and liquid ports.
Can be easily converted to push fit duotight 5/8 x 8mm , or corny post  5/8 corny post

From: Krome Dispense
Body and Internal Parts Material: 304 Stainless Steel
Gas Inlet Connection: approx. 7.93mm (5/16") I.D.
Gas Hose Beer Outlet Connection: approx. 4.76mm (3/16") I.D.