The M5 x 14W10 JIS B1188 Phil Pan Split Washer Flat Washer Sems M/S Zinc is a type of washer that is used to distribute the load of a screw or bolt. It is made of zinc-plated steel and has a split design that allows it to conform to the shape of the surface it is being used on. The washer has a diameter of 14mm and a thickness of 1mm. It is designed to be used with screws or bolts that have a diameter of 5mm.