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 EC112 for all McFarlane controls that attach to the instrument panel with a 3/4-16 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: 0.0125 lbs

RA068-01700 Rapco Brake Shim Insulator (Back Plate) FAA-PMA Replacement, Cleveland 06801700
AF2643092-1020 Torque Link Bolt (0.020 Oversize) for Cessna 208 Caravan Aircraft Torque Link Repair STC | Airforms, Inc. AF26430921020 