Brass Tube Fitting, 0.50 Inch Tube OD To 3/4-16 Thread Long Flare Nut

The key callouts on 41X8 are 0.50 inch tube OD and a 3/4-16 thread long flare nut. If your tube is 1/2 inch OD and the mating thread you need is 3/4-16, this matches those two critical dimensions.

It's designed for use with 0.50 inch OD (outer diameter) tubing.

For a 1/2 inch tube OD paired with a 3/4-16 thread connection, this is the correct long flare nut. It comes from the Eaton Aeroquip 41X series and falls under the Flare and Inverted Flare Nuts category, so it fits right into standard flare-style hydraulic line assemblies. The long nut design gives you more thread engagement than a standard nut, which helps keep the connection sealed tight under working conditions.