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: MS29513-014, MS29513-14, NAS1593-014
- FAA-PMA Approved
- Manufactured by McFarlane Aviation, Inc.

PSS-KT-43 SEAL KIT, Piper Strut | McFarlane Aviation, Inc.
MC0523800-7 Cessna Aircraft Aileron (Upper Inboard RH) Corrugated Control Skin | McFarlane Aviation MC05238007
LP-021.125 SG Aircraft Left front stationary window, LP Aero Plastics FAA-PMA Replacement 021 SG
R1224S-14 VOLTAGE REGULATOR 14V | Plane Power
MS20663C4 Double Shank Ball for Aircraft (1/8 Inch Wire Rope Diameter Nominal) | McFarlane Aviation 