This Standard specifies cylinder valve outlet connections (threaded). The Standard also specifies some stem (inlet) and cylinder neck threads suitable to connect cylinders valves with cylinders, as well as gauging systems to ensure the accuracy of these threads.
AS 2473.2:2015 history
1970AS 2473.2:2015/Amdt 1:2020 Valves for compressed gas cylinders - Outlet connections (threaded) and stem (inlet) threads
0000 AS 2473.2:2015(R2020)
2015AS 2473.2:2015 Valves for compressed gas cylinders, Part 2: Outlet connections (threaded) and stem (inlet) threads
1970AS 2473.2:2007 Valves for compressed gas cylinders - Outlet connections (threaded) and stem (inlet) threads