Date: 08/26/2010 Views: 6333
Date: 09/11/2010 Views: 5769
Date: 02/25/2007 Views: 4546
Date: 08/23/2023 Views: 807475
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.