k so i was putting a new pressure guage on my bottle and the little dill that sits flush inside the screw that screwes ontoo the bottle and the otherend sticks out so the pressure guage can screw ontoo the bottlebroke anyone know where i can get one? its hard to explain yall might not uderstang what im talkin about but i hope so
its the little nipple that goes in the bottle that allows u to screw on the pressure guage

 

i guess its a bottle nut looks kinda like this

 

its this right here

[IMG]local://upfiles/57996/38721EE9548240468A6F3AF755181D7C.jpg[/IMG]

 

wish i could help