Sealing ring and groove with innovative profile better than standard O-ringSealing ring is captive before installation and resists buckling or slipping during installationThe seal groove is designed for optimum compression of the sealing ringThe sealing ring is designed to provide a complete 360 deg seal, even when the conduit is not perpendicular with the enclosureLocknut design with peripheral slots and a hexagonal/angled spline spaced every 30 deg enables easy application of torque with wrench or hammer and screwdriverSharper and deeper teeth on locknut and body designed for a more penetrating bite for improved bonding to the enclosureHexagonal/splined body design for fast, easy installation with wrench or hammer and screwdriverPrecision machined tapered threads designed to create watertight unionInsulated throat molded from 105 deg C rated thermoplastic with a flammability rating of 94V-ONitrile (Buna N) sealing ring1-31/32 in dia throat1/4 in THK maximum panel105 deg C temperature