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.

MS20664C3 Single Shank Ball, McFarlane Aviation
AF2643092-1010 Torque Link Bolt, .010 Oversize, Cessna Caravan 208 | AF26430921010 