标准摘要 Cross Reference: AMS2645,AMS2645K,AMS5646,ANSI/ASME/B46.1,ANSI/Y14.36,ANSI/Y14.5M,AS478,AS478J,MA1784 展开完整摘要 英文名称WASHER, CUP, LOCK - SPANNER NUT AMS5646, METRIC