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 EC111 for all McFarlane controls that attach to the instrument panel with a 1/2-20 thread.
- FAA-PMA (Sub-Component of Approved Article) Approved
- Manufactured by McFarlane Aviation, Inc.
- Dimensions: L: 4.25 x W: 2 x H: 0.25 in
- Weight: 0.0062 lbs

CA101-810146-1 Beechcraft Main Landing Gear Bolt for King Air Aircraft, PMA Products | McFarlane Aviation CA1018101461 