This Russell adapter fitting connects a -4 AN straight flare to a 1/4 in. NPT pipe thread, allowing AN hose ends and hardlines to join almost any system. It is lightweight aluminum with a hard-wearing Endura finish.
- Type: AN to NPT adapter fitting
- AN size: -4 AN straight flare
- Pipe thread: 1/4 in. NPT
- Material: aluminum
- Finish: Endura
- Part number: 660431
FAQ
What does Russell 660431 connect?
It adapts a -4 AN straight flare to 1/4 in. NPT pipe thread.
What is the Endura finish?
Endura is Russell's durable, wear-resistant finish.
What is this fitting used for?
It joins AN hose ends and hardlines to NPT ports in fuel and fluid systems.

