This Russell -12 AN flare cap threads onto a -12 AN male flare port to seal off an unused line or fitting. It is machined from lightweight aluminum and finished in blue anodize to match a Russell plumbing system.
- Type: AN flare cap adapter fitting
- AN size: -12 AN
- Fits: -12 AN male flare port
- Material: aluminum
- Finish: blue anodized
- Part number: 661990
FAQ
What does this Russell 661990 cap do?
It threads onto a -12 AN male flare fitting to cap or block off the port so no line is needed at that location.
What size fitting does it seal?
It seals a -12 AN male flare port.
What material and finish is it?
It is lightweight aluminum with a blue anodized finish.

