The Hammonds 1427NCG series of liquid-tight cordgrip which is made from nylon available in black & grey colors. It is used where cable is entering or leaving an enclosure. It accepts a wide range of cable diameters due to large opening and NBR (nitrile rubber) seal. The strain relief elements were used for tighten in a circular sequence on the sealing ring to give outstanding strain relief without twisting or damaging the cable.Nylon locknut and EPDM O-ring includedOperating temperature at static state is -40°C to 100°CInner thread length is 15 mm Designed to meet NEMA UL94-V2 flammability rating