I'm not saying you're wrong, but for <10 bucks you could get a cheap replacement gauge. Milwaukee regulators use standard ports and fittings namely 1/8-27 npt right hand threads. 1/8 npt rh is standard so ebay gauges should pose no problem. But if you like buying shoes in store rather than online then go for it. :flick:The reason I suggest going with actually seeing things fit on small cheap parts like gauges is that there are several other things involved besides jut the pipe size. Besides needing the correct size as 1/8, 1/4, etc. , you will need to have the correct number of threads per inch as well as there are some items using right hand threads and some using left hand. Milwaukee is common enough that it may be close to some standard but for twenty dollar items, I find it better to buy where I can see it screws together rather than taking a shot at savings maybe three dollars but wind up with the wrong part so that I lose both time and money sending it back. If you are in Bremerton, there are likely to be ten shops within an easy drive.