BS EN 3903:2017 pdf free.Aerospace series – Washers,laminated, in corrosion resisting steel.
BS EN 3903 1 Scope This European Standard specifies the characteristics of laminated washers, in corrosion resisting steel, for maximum operating temperature 120。C, for aerospace applications.2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.EN 2424, Aerospace series – – Marking of aerospace products EN 9100, Aerospace series 一Quality Management Systems – – Requirements for Aviation, Space and Defence Organizations 3 Required characteristics 3.1 Configuration – Dimensions – Masses See Figure 1 and Table 1. Dimensions and tolerances are in millimetres. 3.2 Material Austenitic corrosion resistant steel Rm≥440 MPa
BS EN 3903 pdf download.