The MCM83248 series o-rings are fuel proof FAA-PMA replacement o-rings. Only McFarlane has FAA approval to replace the old, less fuel resistant nitrile (MS series) and synthetic rubber (NAS series) o-rings with the latest fuel proof fluorocarbon o-rings! Flurocarbon rubber is commonly known as Viton. It is an advanced rubber that has extremely good fuel and heat resistance and is ideally suited for aircraft fuel system applications.
- 10 o-rings per package
- Viton (Flurocarbon Rubber)
- Replaces: MS29513-138, NAS1593-138
- FAA-PMA Approved
- Manufactured by McFarlane Aviation, Inc.

6300-LTTL0 Beechcraft Aircraft Airstair Cabin Door Support Cable, Translucent (No color) | McFarlane Aviation 6300LTTL0
4140-00-15CJ New Fuel Pump (28 Volt) for Cessna Aircraft | C J Aviation | McFarlane Aviation 41400015CJ
CA90-820011-1 Nose Gear Bolt for Beechcraft 99 Aircraft, King Air, and 1900, PMA Products | McFarlane Aviation CA908200111 