3-Screw Auto Locks
The 2 items at the far L are one complete hub lock assembly piled together. The top center is the hub lock body. Bottom center is the cap with 3 screw holes. Top R are the cam & large (outer) C-ring (which retains the lock body in the hub). Lower R (upper row) are: the large single wheel bearing adjusting hex-nut; the adjusting nut lock clip; the steel splined thrust washer; (lower row) the small (inner) C-ring (which retains the axle stub shaft in the spindle); the plastic thrust washer; and the steel thrust washer. Refer to this:
http://www.supermotors.net/vehicles/registry/media/277564 
