Please use the push-pull controls pages the McFarlane Aviation catalog below to confirm the EC61 lock washer’s compatibility with your aircraft.
The retaining nut threads onto the threaded section of the control on the back side of the instrument panel to secure the control. Replacement retaining lock washer p/n EC61 for all McFarlane controls that attach to the instrument panel with a 3/8-24 thread.
- FAA-PMA Approved (Sub-Component of Approved Article)
- Manufactured by McFarlane Aviation, Inc.
- Dimensions: L: 0.69 x W: 0.69 x H: 0.04 in
- Weight: 0.005 lbs

MC455-184 Propeller Control for Piper PA-24-250 Aircraft | McFarlane Aviation MC455184 