Type This procurement specification covers plain helical lock washers fabricated from heat treated carbon steel. Application Primarily for use with threaded fasteners; not recommended for use at temperatures higher than 450 ??(230 ??.
SAE AS7240A-2015 history
2015SAE AS7240A-2015 Washers@ Spring Lock@ Carbon Steel@ Procurement Specification for
2006SAE AS7240-2006 Washers@ Spring Lock@ Carbon Steel@ Procurement Specification for (:1992)