标准摘要 Cross Reference: AMS2486,AMS2488,AMS2759/3,AMS4965,AMS5643,AMS5659,AMS5662,AMS5663,ANSI/ASME/B46.1,ANSI/Y14.36,ANSI/Y14.5M,ARP4296,AS4208,AS478,AS478J,AS5018,FED-QQ-P-35 展开完整摘要 英文名称NUT, BULKHEAD, BEAM SEAL FITTING