BS 4464 69th Edition, May 19, 1969
Specification For Spring Washers for General Engineering and Automobile Purposes - Metric Series
Includes all amendments and changes through Reaffirmation Notice , January 1, 2012
Published By:British Standards Institution (BSI)
Dimensions, tolerances and general requirements for metric series spring washers of helical construction, for use with metric threaded fasteners within the range 1.6 mm to 68 mm diameter.