SAE AMS7240E-1979
Washers, Spring Lock, Carbon Steel

Standard No.

SAE AMS7240E-1979

Release Date

1979

Published By

Society of Automotive Engineers (SAE)

Status

Be replaced 2007-07

Replace By

SAE AMS7240E-1992

Latest

SAE AMS7240F-2007

Scope

This specification covers plain helical lock washers fabricated from heat trez=ated carbon steel.Primrily for use with threaded fasteners;not recommended for use at temperatures higher than 450℉(230℃).

SAE AMS7240E-1979 history

• 2007 SAE AMS7240F-2007 Washers@ Spring Lock Carbon Steel
• 2006 SAE AMS7240E-2006 Washers, Spring Lock Carbon Steel
• 1992 SAE AMS7240E-1992 Washers@ Spring Lock Carbon Steel
• 1979 SAE AMS7240E-1979 Washers, Spring Lock, Carbon Steel
• 1979 SAE AMS7240D-1979 WASHERS, SPRING LOCK Carbon Steel
• 1972 SAE AMS7240C-1972 WASHERS, SPRING LOCK Carbon Steel
• 1955 SAE AMS7240B-1955 WASHERS, SPRING LOCK
• 1951 SAE AMS7240A-1951 WASHERS, SPRING LOCK
• 1940 SAE AMS7240-1940 LOCKWASHERS