标准摘要
This SAE Aerospace Recommended Practice (ARP) lists wrenching surface sizes and tolerances for fluid fittings which utilize machined or unmachined hex bar dimensions and machined or forged wrenching surfaces across the center body section of shape fittings.Cross Reference:
英文名称Tolerances, Hexagon Bar, Machined Flat and Forged Wrenching Flat Sizes for Fluid Fittings