标准编号：ISO 9618:2016
中文名称：航空航天 等级为：450MPa（环境温度）/120℃、450MPa（环境温度）/235℃、600MPa（环境温度）/425℃、900MPa（环境温度）/235℃、900MPa（环境温度）/315℃、900MPa（环境温度）/650℃、1100MPa（环境温度）/235℃、1100MPa（环境温度）/730℃和1250MPa（环境温度）/600℃、折合高度、标准对边、带MJ螺纹的开槽六角螺母 尺
英文名称：Aerospace — Nuts, hexagonal, slotted (castellated), reduced height, normal across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/120 degrees C, 450 MPa (at ambient temperatu
发布日期：2016-02
标准范围
This International Standard specifies the dimensions of hexagon slotted (castellated) nuts, reducedheight, normal across flats, with MJ threads, of classifications: 450 MPa/120 °C, 450 MPa/235 °C,600 MPa/425 °C, 900 MPa/235 °C, 900 MPa/315 °C, 900 MPa/650 °C, 1 100 MPa/235 °C,1 100 MPa/730 °C, and 1 250 MPa/600 °C.NOTE 1 450 MPa, 600 MPa, 900 MPa, 1 100 MPa and 1 250 MPa corresponds to the minimum tensile stresswhich the nut is able to withstand at ambient temperature without breaking or cracking when tested with a boltof a higher strength class.NOTE 2 120 °C, 235 °C, 425 °C, 315 °C, 650 °C, 730 °C and 600 °C corresponds to the maximum temperaturethat the nut is able to withstand without permanent alteration to its original characteristics, after ambienttemperature has been restored. The maximum temperature is conditioned by the surface treatment.These nuts are intended to be used with split pins in conformity with ISO 1234.This International Standard is applicable for the compilation of aerospace product standards.
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