ISO 6149-4:2006, Connections for fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 4: ... for external hex and internal hex port plugs

ISO 6149-4:2006 specifies dimensions and performance requirements for external hex and internal hex port plugs for use with ISO 6149-1 ports.Port plugs in accordance with this part of ISO 6149-4:2006 can be used at working pressures up to 63 MPa (630 bar). The permissible working pressure depends upon the plug end size, materials, design, working conditions, application, etc. This title may contain less than 24 pages of technical content.