Norgren pneufit c c0004 series plug connectors norgren c00040400 this plug connector is from the pneufit c range of metric push in fittings it is ready to use straight from the box offering fast assembly without the need for tools suitable for use with pa or pur hose types 85 or 95 durometer norgren pneufit c c00040400 plug connector 4mm pin od 4mm hose od