Coupling socket KD3-1/8-A-R Self-closing with non-return valve Nominal size=5 mm, Operating pressure complete temperature range=-0,95 - 12 bar, Operating medium=Compressed air in accordance with ISO8573-1:2010 [7:-:-], Note on operating and pilot medium=Lubricated operation possible, Corrosion resistance classification CRC=1 - Low corrosion stress