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ISO 2435:1973

Nitrogen for use in aircraft

Dec 1, 1973

General information

90.60     Mar 5, 2026

ISO

ISO/TC 20/SC 10

International Standard

49.100  

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Scope

Gives the pressure and characteristics of nitrogen, compressed in oil-lubricated equipment. Is not intended to cover nitrogen für use in oxygen systems. The gaseous nitrogen supply pressure shall ensure charging of aircraft systems up to 343 bar at 20 °C. The minimum purity shall be 98,5 % by volume. It shall contain not more than a total of O,OO5 mg of oil vapour and particulate matter per cubic decimetre of nitrogen at 15 °C and 1 013 mbar.

Life cycle

NOW

PUBLISHED
ISO 2435:1973
90.60 Close of review
Mar 5, 2026