Date: 10/24/2010 Views: 6256
Date: 03/29/2013 Views: 33649
Date: 08/13/2005 Views: 3811
Date: 08/23/2023 Views: 772540
External thread dimension of the tank opening area is a nominal 2.55 in or 64.77 mm. I say "nominal" as the dimension varies quite a bit around the opening.