BS ISO 9618-2016
航空航天.等级为:450 MPa(环境温度)/120℃、450 MPa(环境温度)/235℃、600 MPa(环境温度)/425℃、900 MPa(环境温度)/235℃、900 MPa(环境温度)/315℃、900 MPa(环境温度)/650℃、1100 MPa(环境温度)/235℃、1100 MPa(环境温度)/730℃、1250 MPa(环境温度)/600℃,带MJ螺纹、具有减小高度和正常对边尺寸的开槽六角螺母.尺寸
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 temperature)/235 degrees C, 600 MPa (at ambient temperature)/425