Re: Air rail plugs

[Tim Psensky <spit71fire@yahoo.com>]

--- Nolan Penney <npenney@mde.state.md.us> wrote:
> 
> There is no such thing as a plumbing thread.  There
> are different threadings used for pipe, conduit,
> etc.  

I must disagree.  There is NPT (national pipe thread)
like on most 'black pipe' and electrical conduit. 
There is also NST (National Standard Thread) which is
found on hose ends (fire and garden hoses).

Tim
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