标准摘要 Cross Reference: AMS2471,AMS5510,AMS5512,ARP4296,AS4178,AS4377,AS4396,AS478,AS478J,ASME/B46.1,ASME/Y14.5M,FED-QQ-A-250/5,FED-QQ-P-35,FED-QQ-P-416,MIL-C-5541,MIL-S-7952 展开完整摘要 英文名称WASHER, FLAT, FITTING, FLARED AND FLARELESS