ISO 9159:1988

Specifies the dimensions of nozzle spouts on pumps for refuelling road vehicles, and their filling rates. Applies to nozzle spouts for leaded gasoline and diesel fuel for road vehicles. The figure shows a nozzle spout with a spring for safe hooking in the tank filler opening. The dimensions apply also to nozzle spouts with cams or depressions for safe hooking.