ISO B Series hydraulic quick-connect coupling plugs are the male end of coupling sets. Also called nipples, they're inserted into the coupling bodies (female ends) for hydraulics and fluid transfer. This listing is for each. Technical Specification Item Hydraulic Quick Connect Hose Coupling Coupling Component Plug Series 60 Body Material 303 Stainless Steel Coupling Size 1 in Hose Fitting Gender Female Max. Working Pressure @ 70 F 3, 000 psi Max. Flow Rate 189 lpm Coupling Locking Type Ball Connection Type ORB Includes Valve Yes Valve Type Poppet Includes Bearing Yes Overall Length 2 29/32 in Includes Shut Off Yes Thread Size 1-5/16-12 Finish/Coating Plain Seal Material Nitrile Bearing Material Stainless Steel Parker Interchange SH8-63-T16 For Use With ISO 7241-1 Series B Coupler Standards ISO 7241-1 Series B Includes Heavy Duty Steel Nipples, Steam, Valve Actuator Fitting Type Female ORB Max. Outside Dia. 1 57/64 in