Barbed fitting N-M5-PK-4 With sealing ring. Nominal size=2,5 mm, Type of seal on screw-in stud=Sealing ring, Operating medium=Compressed air in accordance with ISO8573-1:2010 [7:-:-], Note on operating and pilot medium=Lubricated operation possible (subsequently required for further operation), Pneumatic connection, port 1=Male thread M5