Date: 10/11/2009 Views: 6058
Date: 01/08/2004 Views: 5160
Date: 12/31/1969 Views: 4469
Date: 08/23/2023 Views: 704534
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.