O.S. 73101010 Long Prop Nut 5/16-24 OSMG7974

O.S. 73101010 Long Prop Nut 5/16-24 OSMG7974

This is an Optional Long Prop Nut and Washer Set for the O.S. Max .60FP, .65LA, .61FX, .91FX Engines.

Features

• O.S. 73101010 Long Prop Nut 5/16-24 OSMG7974

• Metal construction.

• For use where an extra thick propeller boss (center) and/or spinner backplate does not leave enough threads for a standard propeller nut to tighten down onto the propeller.

• This nut has an extension that goes through the propeller and then extends out past the end of the crankshaft with a hex nut for tightening.

• This also helps keep the propeller on the engine in the case of backfiring or detonation.

• This can also be used on most engines that have 5/16"- 24 threading.

Specifications

• Propeller Nut- Extension Outer Diameter: 9.6mm
                      Extension Length: 13mm
                      Overall Length: 20mm
                      Inner Threading: 5/16" x 24

• Propeller Washer- Inner Diameter: 10mm
                            Outer Diameter: 28mm

Contents

• One prop nut with 5/16"- 24 threading

• One prop washer

Requirements

• 9/16" opened end wrench (15mm is slightly too big)