Need a nut or something..

[Scrubcadet10]

3/8 fine ,appears to be pipe thread.
I need something i can screw on the back side of it like a nut...went to the local True Value.... Nothing... I haven't found anything in my junk bins yet.

 

[Scrubcadet10]

 

[StarTech]

Goto Carr and type in "Pipe Thread Nuts"

 

[Scrubcadet10]

That worked, i went there earlier and tried "NPT Nuts" and didn't get really any relevant suggestions,
Thanks man.