Bkl adaptor 75 ohm teflon 1 6 5 6mm plug to 1 6 5 6mm plug bkl 415400 this bkl electronics adaptor has two male connectors with m9p0 5 threads for 1 6mm x 5 6mm female conectors and frequencies up to 4ghz the body is nickel plated brass with gold plated contacts 75 ohm impedance bkl 0415400 adaptor 75 ohm teflon 1 6 5 6mm plug to 1 6 5 6mm plug