Spider gasket replacement

Hi,

I have a Multiport valve part # 50181212 (6 positions) 1.5 inch connection to a DE filter.

The valve leaks out the backwash connection.

What spider gasket can I use as a replacement.

Thanks

There are two options for valve number 50181212. After 4-1-1976, they used a 5-spoke gasket. The part number is 27-110-1182.

Before 4-1-1976, a 6-spoke gasket was used. The part number is 4659-14.