Electronic hardware, namely, standoffs in the nature of electrical shielding spacers for cable and cable assemblies and electrical adapters, electrical switches, electrical sockets; electrical contacts; nickel and gold plated nickel bellows designed for flexible interconnection specially adapted for use in microwave transmission apparatus for delivering radio programs and messages, electrical interconnectors in the nature of probes for testing semiconductors and integrated circuits, printed circuit boards, and phased arrays in the nature of antennas; bellows assemblies, namely, electrical contacts, electrical conduits, pressure-responsive electrical switches; structural parts of electrical motion controllers, namely, bellows, bellows couplings, bellows assembled to end pieces, electrical bellows contacts, and machined flex-beam shaft electrical couplings; metric flexible shaft electrical couplings sold as an integral component of antennas, dynamometers, electromechanical controls for motion control feedback units, photocopying machines, laser document printers, x-y plotters, satellites, satellites for scientific purposes, laboratory robots, optical and telescopic sights, speedometers for vehicles, supercomputers, superminicomputers, tachometers, audio and video magnetic tape drives, tape players, tape recorders and stereo tuners