6600 Series Coupler (1" NPTF)
(hydraulic) up to 5000 psi, connect with ISO 7241 series A, 6600 Series Nipples.
Parker's 6600 Series have double shut-off poppet valves and are interchangeable with other quick disconnects complying with ISO 7241 series A. These steel couplers and nipples are available in a range of sizes for applications with pressure ranges up to 5000 psi.

Technical Specifications
Coupling Half:Female CouplerSpecifications Met:ISO 7241-1 series ABody Size (inch):1"Maximum Operating Pressure:4000 psiInterchange Type:ISO 7241-1 series AConnection Type:Female NPTFConnection Thread Size (inch):1 - 11 1/2Maximum Operating Temperature:250 °FApplication:Hydraulics, General PurposeMinimum Operating Temperature:-40 °FProduct Type:Manual ConnectFlow Rate:50 Gal/minValve Type:PoppetBody Material:SteelHex Size:1.88 inchSeal Material:NitrilePlating Type:Zinc with clear trivalent chromate