This 5-spoke spider gasket is used on the Hayward Multiport 1.5" SP710, SP711 and SP712 valves.
Outside Diameter: 5-5/16"
Center Hole Inside Diameter: 3/4"
Thickness: 9/32" (top to bottom)
Spoke Thickness: 7/32" (side to side)
Outside Ring Thickness: 7/32" (side to side)