标准摘要 Cross Reference: AMS2645,AMS2645K,AMS5732,AMS5737,ANSI/ASMEB46.1,ANSIY14.5M,AS2071,AS478,AS478J,MIL-S-8879 展开完整摘要 英文名称NUT, PLAIN, CASTELLATED, HEXAGON - UNS S66286, 130 KSI MIN