Johnson six gallon pressurized fuel tank. I need the drain screw or plug...

[dwittig33]

Anybody know where i can find one, or where i can find the size of it. i have an assortment of screws that are close but I don't want to screw up the threads by using the wrong size. Thanks guys.

 

[racerone]

Should be the same screw as the rest of them.------Parts book shows 8 screws as the same.