2RMT42KPE50G2V1 is a cylindrical, low-frequency, tropicalized, threaded cable socket with a straight shell, a nut for shielded cable, and silver-plated contacts.
It is used for connecting and disconnecting electrical circuits (wires, cables, assemblies, and modules) in various types of special- and general-purpose electrical and radio equipment.
It is manufactured for indoor mounting in all-climate design («V2.1») as per GOST 15150-69.