本规范涵盖了飞机质量铁磁钢（不包括可硬化耐腐蚀钢（参考AMS2303））的清洁度要求（以英寸/磅为单位），采用磁粉检测方法。本规范包含取样、试样制备、检查程序和清洁度等级标准（见8.5）。

This specification covers steel cleanliness requirements in inch/pound units for aircraft-quality ferro-magnetic steels, other than hardenable corrosion resistant steels (refer to AMS2303), by magnetic particle inspection methods. This specification contains sampling, specimen preparation, inspection procedures and cleanliness rating criteria (see8.5).