‘53 Wasp AC Fuel pump to block gasket thickness?

Can anybody tell me the correct thickness for the AC fuel pump to block gasket on a ‘53 Wasp please? My existing one is a little over quarter inch thick consisting of 5 thinner gaskets packed together. Is this normal? As the gasket thickness would control the amount of contact between the fuel pump  lever and the cam I assume that thickness is important. Thanks. Bill.

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