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.

BM2487-5 Ball | BM24875
CA101-810145-1 Bolt, Main Gear Drag Brace, Beechcraft, PMA Products | CA1018101451 