... etc, and we make full line of cable gland, like PG, M,NPT,G. thread..... speci 1.Material: parts A,C,E ... made of nitrile butadiene rubber(NBR)2.Thread specificaiton: Metric ,PG,G,NPT3.Working Temperature : -40 to 100 centigrade in static ... that can be designed at request. nylon cable gland of PG type