AN960 flat washers are used under hex nuts to provide a smooth bearing surface, as shims to obtain the correct grip length for a bolt and nut assembly, and to adjust the position of AN310 and AN320 castle nuts with respect to drilled cotter pin holes in bolts and clevis pins. Available in cadmium plated steel or anodized aluminum, and in regular and light thickness. 

Light Series Washers: 
Add the letter "L" to dash number to indicate light series.
AN960-416L is a light series cadmium plated steel washer for 1/4" dia. bolt.
AN960PD-10L is a light series anodized aluminum washer for a 3/16" dia. bolt.
Light series washers must be manually input on order form.