Paintball Cylinder Threaded Port Dimensions

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    Cylinder Dimensions
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The discussion centers on the dimensions of the threaded port for a paintball cylinder pin valve, specifically the 5/8-18UNF-2B thread. Participants seek information about the o-ring surface dimensions of the port, with some confusion regarding the relevance of the DOT number. Clarification is requested on whether the o-ring functions as a face seal. The original poster does not have a physical cylinder to reference. Accurate specifications are crucial for ensuring compatibility and safety in paintball equipment.
stratocaster142
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Does anybody have information on the threaded cylinder port that a paintball pin valve threads into?

I know it's a 5/8-18UNF-2B thread, but I need to know the dimensions for the o-ring surface of the port.

Thanks
 
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Any pressure cylinder should have a DOT number on the side. Can you find out what it is?

I take it the o-ring is a face seal?
 
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