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EN 4551:2014

Aerospace series - Pipe coupling, 37°, in heat resisting steel - Swivel nuts - Inch series

Publication date:   Jan 21, 2015

General information

90.93   Standard confirmed   Jan 21, 2025

CEN

ASD-STAN Aerospace

European Norm

49.080   Aerospace fluid systems and components

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Scope

This European Standard specifies the characteristics of swivel nuts for inch series pipe couplings, 37°, in heat resisting steel, for aerospace applications. Nominal pressure: Class D in accordance with ISO 6771.

Life cycle

PREVIOUSLY

WITHDRAWN
EN 4551:2003

NOW

PUBLISHED
EN 4551:2014
90.93 Standard confirmed
Jan 21, 2025