Killark ZS414ZP - Neoprene grommet seals out oil and moisture. Nylon retention ring incorporates a split hinge design to prevent friction and provide strain relief, also color-coded for sizing identification. These heavy-duty connectors hold up to most manufacturing chemicals including, acid solutions, solvents and other corrosive materials. Machined steel nut and body allows for tightening the compression nut and NPT hub without worrying about stripping the threads Z-series straight steel cord connectors are used to secure and seal cords or cables entering enclosures or race-ways. These heavy duty connectors hold to most manufacturing chemicals including, acid solutions, solvents and other corrosive material. Its nylon retention ring incorporates a split hinge design to prevent friction and provides strain relief. Its neoprene grommet seals out oil and moisture and the nylon retention ring ensure superior holding power.