标准摘要
Cross Reference: AMS2645K,AMS5643,AMS7474C,ANSY Y14.5M,AS478J,AS870,AS8879,ASME B46.1,ASME Y14.36M,ASTME1417
英文名称BOLT, MACHINE - DOUBLE HEX EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, AMS5643 (UNS S17400), 140 KSI, .5000-20, UNJF-3A