NSN 1680-01-305-1613

(all except usa) for usa inc 41341 canceled replaced by control, electric light: inc 01870, fiig a076, appl key b. A device designed to regulate and/or dim various lighting sources inside a helicopter. It is often used to dim panel lights and gages. It is made up of various components, such as solid state transistors. It does not contain silicon controlled rectifiers, relays circuit breakers, or fuses.