BS 01/714274 DC ISO/DIS 1179-3. Connections for general use and fluid power. Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing. Part 3: Light-duty (L series) stud ends with sealing by O-ring with retaining ring (types G and H)

standard by BSI Group, 10/25/2001