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: AF934-14, AF934-17, MS29513-116, NAS1593-116
- FAA-PMA Approved
- Manufactured by McFarlane Aviation, Inc.

AF1441003-1T Titanium Axle for Cessna Aircraft, Airforms Inc. | AF14410031T McFarlane Aviation
LP-023 SG Aircraft Left front hinged vent window, LP Aero Plastics FAA-PMA Replacement LP023 SG
BM2487-2 Plain Ball for Aircraft (1/16 inch Cable Size) | McFarlane Aviation BM24872 