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EN 2139:1989

Aerospace series - Washers, flat heat resisting steel EN 2139:1989

Publication date:   Sep 12, 2003

General information

90.93   Standard confirmed   Jan 21, 2025

CEN

ASD-STAN Aerospace

European Norm

49.030.99   Other fasteners

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Scope

This standard specifies the characteristics of flat heat resisting steel washers for use in aerospace applications, at temperatures below 650 °C.

They are intended for use primarly underneath nuts, for use underneath bolt heads the compatibility shall be checked.

Life cycle

NOW

PUBLISHED
EN 2139:1989
90.93 Standard confirmed
Jan 21, 2025




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