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M00020321
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SAE MA1573B Nut, Self-Locking - Steel, Class 1100 MPa/235 °C, MJ Thread Procurement Specification For, Metric (Stabilized: Dec 2021)
standard by SAE International, 12/28/2021
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This specification establishes the requirements for the following types of self-locking nuts:
a. Wrenching nuts: that is, hex, double hex, spline drive
b. Anchor nuts: that is, plate nuts, gang channel nuts, shank nuts
The wrenching nuts and shank nuts are made of low alloy steels, and the nut elements of plate and gang channel nuts are made of carbon steels or low alloy steels and having MJ threads to ISO 5855/2. Nuts have 1100 MPa tensile strength class at room temperature. Maximum test temperature of parts at 235 ¿¿C.