This standard deals with fixed nozzles for gas lamps and states in detail: outer dimensions, internal and external threads, tolerances, materials to be used and inside diameter.#,,#
DIN 5042-7:1988 history
1988DIN 5042-7:1988-12 Combustion lamps and gas luminaires; fixed nozzles
1988DIN 5042-7:1988 Combustion lamps and gas luminaires; fixed nozzles