Date: 11/22/2005 Views: 3347
Date: 05/12/2000 Views: 4704
Date: 01/05/2011 Views: 4575
Date: 08/23/2023 Views: 185143
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.