Keystone Electronics Corp. designs and manufactures precision electronic interconnect components and hardware for original equipment manufacturing designers and engineers of electronic products, instruments, and systems worldwide. It provides quick-fit terminals; transistor hardware; computer and mounting brackets; electronic hardware and accessories; fuse clips and holders; handles for instrumentation; LED spacers and lens caps; plugs, pins, jacks, and sockets; screw terminals and terminal blocks; screws and panel hardware; terminals and terminal boards; test points, tips, probes, and clips; and battery and coin cell holders, contacts, and clips. The company also offers handles and ferrules; and spacers and standoffs devices that are used primarily to mount, support, and separate circuit boards, chassis, and panels. It markets and sells its products through distributors in the United States and internationally. The company was incorporated in 1950 and is based in Astoria, New York.