The International Cessna^® 170 Association

If so, where??

Mike

If its the one used on the fuel vent line # NAS397-12. Preferred Air Parts has 30 of them. Call for cost.
Mike Roe

Thanks for the lead Mike. I have found them on the fuel vents, breather tube, battery box drain, and few other spots. There are better options to use but I kind of like the look of the old school ones.

Thanks again, Mike