ISO 4039-1
Road vehicles - Pneumatic braking systems - Part 1: Pipes, male fittings and tapped holes with facial sealing surface
Straßenfahrzeuge - Druckluftbremsanlagen - Teil 1: Rohre, Gewindezapfen und Gewindelöcher mit Plandichtsitz
Responsible national committee
NA 052-00-33 AA - Vehicle dynamics and chassis components
Responsible international committee
ISO/TC 22/SC 33 - Vehicle dynamics, chassis components and driving automation systems testing