Numatics base assembly kit with plug-in has 3/4" NPTF connection and is for use with Mark 55 series direct solenoid actuated valves Brand Name|Numatics#MFR Part Number|203-503#UNSPSC|40141616#Item|Base Assembly Kit#Port|Side#Connection Size|3/4 in#Connection Type|NPTF#Suitable For Use With|Mark 55 Series Direct Solenoid Actuated Valves#Includes|(1) 125-185 Cover Chain, (1) 127-342 Receptacle Screw, (2) 127-180 Screw, (1) 105-207 Conduit Cover, (1) 113-144 Gasket Conduit/Base, (1) 113-292 Gasket Valve/Base, (2) 127-173 Screw Assembly, (1) 122-355 Label, (1) 127-176 Screw and (1) 128-162 Washer