Pro-werks Cadmium Plated AN Washer Kit

Conveniently packaged in a durable plastic organizer box.  Quantity of 100 of each size is included. These AN flat washers by Pro-Werks are part of our specialty fasteners selection, made of non-hardened steel and are cadmium plated (gold in color). AN washers have a smaller outside diameter than flat washers that are commonly found in many industrial applications.  What are AN Washers? Their primary purpose in the aircraft industry is to provide a smooth bearing surface under a hex nut allowing for index alignment of cotter pin holes or as shims to obtain the proper grip length needed on the fastener. Performance minded builders also prefer AN washers for applications where space availability is limited, and to save weight.