标准摘要 Cross Reference: AMS2400,AMS5085,AMS6322,ANSIY14.5M,AS5447,AS7252,AS8879,ASMEB46.1,ASMEY14.36M,ASTME1444,NASM25027 展开完整摘要 英文名称NUT, SELF-LOCKING CAPTIVE WASHER, STEEL