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: NAS1593-024
- FAA-PMA Approved
- Manufactured by McFarlane Aviation, Inc.

RA066-10600 Rapco Organic Aircraft Brake Lining FAA-PMA Direct Replacement | Cleveland 066-10600 | Piper 752-308, 752-309
LP-021.125 SG Aircraft Left front stationary window, LP Aero Plastics FAA-PMA Replacement 021 SG
CA101-810145-1 Beechcraft Aircraft Main Landing Gear Drag Brace Bolt, PMA Products | McFarlane Aviation CA1018101451 