6738-21-5611旋塞总成.......................COCKASS‘Y126507984-
16738-21-5621?旋塞................................COCK126507984-
26738-21-5630?接头...............................JOINT126507984-
36738-21-5640?螺纹接头,螺母...............UNION,NUT126507984-
407005-02216衬垫...............................GASKET126507984-