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| Mounting: | Directly To Tank. |
| Material: | Aluminum Alloy. |
| Includes: | Base Gasket And Mounting Screws. |
| Fits: | 250 Series Flip Top Caps. |
| Thread Outer Diameter: | 2-1/2" or 2.50" |
| Flange Diameter: | 3-5/8" or 3.70" |
| Inside Diameter: | 2-1/8" or 2.165" |
| Hole Center To Hole Center Diameter: | 3" |
| Outside Threads: | 16tpi |
| Height: | 5/8" or .640" |
| Flange Thickness: | 0.135" |
| Country Of Manufacture: | U.K. |

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