3/8" SAE Flare x 5/16" Tube O.D. (1/2-20 Thread) SAE Flare by Inverted Flare Brass
Unit of Measure

Units Per Package

 1

SAE Flare

 3/8"

Inverted Flare

 5/16"

Thread Size

 5/8-18 x 5/8-18

A

 1.34

Hex

 0.63