QD-CGA is a connection Adapter allowing QDC components to mate with CGA-680 components.

The QDC - CGA-6 80 Adapter (QD-CGA) P/N 410787 - is a Quick Disconnect to CGA-680 adapter allowing newer high pressure nitrogen backpack cylinders P/N 410780 fitted with QDC connections to connect with the earlier CGA-680 systems and components from CvI, such as the NBSS-2, NBK-1, NBK-2, NBK-3, LPSK-2A, HPSK-2A and early model CVB MANCS-1C Mobile Air/Nitrogen Charging Station.