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.

ACA-7A Aileron Ag-Cat Aircraft Cable, Grumman G-164B | McFarlane Aviation ACA7A
AF1441003-1T Titanium Axle for Cessna Aircraft, Airforms Inc. | AF14410031T McFarlane Aviation
AA5B-PCBL Complete Grumman Aircraft Engine Baffle Kit (Powder Coat, Blue Standard Seals) | Airforms Inc., McFarlane Aviation AA5BPCBL
PULL-KT-62 Cessna 210 Flight Control System Pulley Kit, McFarlane | PULLKT62
AF2643092-1030 Torque Link Bolt (0.030 Oversize) for Cessna 208 Caravan Aircraft Torque Link Repair STC | Airforms, Inc. AF26430921030 