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Cessna Motor Mount Block Lock Washer

$17.50/Each
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Part# 05-01742
MFR Model# MC0851559-1

Overview

The already improved motor mount lock washer is now even better. One side is embossed with a surface texture for improved locking strength and to make sure the washer does not slip while tightening. This helps prevent the lock tab from deforming or shearing during installation. It also helps keep the lock tab centered in the lock hole to minimize slack instead of allowing it to rotate to one side during installation.

Features

  • Up to four times the locking power for less!
  • FAA approved using stronger material than the original, allowing the standard washer to be eliminated.
  • Designed with six tabs instead of two.
  • Easier to use!
  • Cessna 180, 182, 185, 188, 205, 206, 207, 210, 310, 320, 411, and 414 model aircraft
  • Frequently Purchased With
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Reviews

Cory R Verified Purchase

MC0851559-1 Motor Mount Lock Washer

December 13, 2023

Aircraft I Verified Purchase

MC0851559-1 Motor Mount Lock Washer

August 24, 2023

White B Verified Purchase

MC0851559-1 Motor Mount Lock Washer

March 3, 2023

White B Verified Purchase

MC0851559-1 Motor Mount Lock Washer

November 16, 2022

Very easy to install correctly.

Aero S Verified Purchase

MC0851559-1 Motor Mount Lock Washer

August 25, 2021

Q&A

Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What bolt size is this washer made for, and what material is it made from?

It is a steel washer with a 7/16" I.D.

Q: Can this lock washer be used on a 7/16 bolt on the Lyc O360 engine mount?

The ID is 7/16 so it should work.

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