... make full line of cable gland, like PG, M,NPT,G. thread..... speci 1.Material: parts A,C,E are made ... of nitrile butadiene rubber(NBR)2.Thread specificaiton: Metric ,PG,G,NPT3.Working Temperature : -40 to 100 centigrade in static state ... to resist salt,acid,alkali, alcohol,grease and general solvent.5.Color: black,white,grey as well as special colors that ...