This 1/4" body size flat face quick coupling connection conforms to ISO 16028, with a 1/4" NPT female thread
and a special 9/16-18 UNF male thread.
The female coupler with a 1/4" NPT female thread, usually connecting to the hydraulic hose.
and the male coupler with the male thread of 9/16-18 UNF usually connecting to the hydraulic pump.
It is a quick release coupling for quickjack car lift. Can also be used on other hydraulic equipment. However,
it is necessary to check the thread pattern. The 9/16-18 UNF thread is used to connect to a hydraulic pump,
if your hydraulc pump use the same thread to connect, the quick coupler would be OK for your application.