Specification of the valve

[hugeP]

Pic 1 shows the packing of the valve shown in Pic 2.

Which parts of the valve is description referring to and what does it mean?

 

[phishfood]

It threads onto a 3/8" IPS (Iron Pipe Size) thread, and it will accept a 3/8" OD (Outer Diameter) compression fitting.

 

[frodo]

they generally. 99% of the time, come with a nut and farrel