Hydraulic Quick Connect Coupler 1/2" Npt,Ceker Iso 7241-A Tractor Couplers Hydraulic Coupling meets dimensional requirements to all standard 7241-1 Series A couplings,Interchangeable with all ISO 7241 A series couplings,Parker 6600,Faster AN,Tomco A5600 etc. The ISO 7241-1 Series A of quick disconnect Hydraulic couplers are Widely used on a large spectrum of hydraulic applications with strenuous quality standards such as the aerospace, automotive, electronics industries. They are also recommended for general purpose, machine tools, mobile hydraulics, and other equipment applications. Size: 1/2" ,Body: 1/2" NPT Thread, Harden Steel with 4410 PSI Rating,6.5 GPM Max Flow Hardened Steel Self-Sealing Poppet Valve allows no extrusion gap, minimizing seal degradation under extreme High and Low Pressures