Desirable toggle switch designed for the Apollo Lunar Module, with identification numbers to either side reading: “LDW355-55015-11…S/N 0001, CL-C” and “Ser No. 456, P. O. 4-94460, LSC. 350-82-00111-2, Klixon, Part No. 121.S2-1, NAS 9-1100.” The switch's wires are looped and tied together.
