Quick Cap Fixing System drastically reduces assembly time with use of snap on mounting cap. The retention force is provided by a special spring element, independent from contacts. All common circuits available. Two versions for mating of plugs acc. to EIA RS 453 or MIL-P-642/2. NJ5FD-V: 2 x switching (normalling) Stereo Jack (T/TN/R/RN/S). NJ6FD-V: 3 x switching (normalling) Stereo Jack (T/TN/R/RN/S/SN).