What does UHNtail stands for.

[SNOW111]

Hello everybody,
I have this definition regarding a hose:
Hose Assembly, 4" x 4 meter long_ mnpt x 4" mnpt **"puerto rico** - rated 150psi at 80c- end connections are 4" male UHNtail NPT Crimp ends (steel & Ml)
Any help is appreciated.

 

[LittleInch]

best guess is Unequal Hex Nipple

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

 

[SNOW111]

Thank you LittleInch.
Ill go with your suggestion in my description.