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SAE AMS7240 Revision F, July 1, 2007
Complete Document
Superseded By: SAE AS7240
Washers, Spring Lock Carbon Steel
Includes all amendments and changes through Cancellation Notice , July 2007
Additional Comments: CNCL S/S BY SAE AS7240
Page Count:8
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AIA/NAS Aerospace Standards

This specification covers plain helical lock washers fabricated from heat treated carbon steel.


Primarily for use with threaded fasteners; not recommended for use at temperatures higher than 450°F (230°C).