Foster , ISO A DUST PLUG, 1/2″ RUBBER , ISO 7241-1, Series A Hose Couplings ( 1/4″ to 1″ Flow, Two Way Shut-Off ) , Socket Dust Plug , 1/2″ NPT

Both socket and plug are sealed at disconnect. Manual – Socket sleeve nust be manually retracted to connect and disconnect. The following are .pdf’s for: Specifications and Layouts – ISO 7241-1, Series A Interchange : Fluid Compatability Guide for Quick Disconnect Hose ; ISO 7241-1, Series A Interchange Hose Couplings Catalogue.