Standard [CURRENT]
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This standard defines the dimensions and tolerances for the female sealing end of inch series pipe couplings, 37°, for aerospace applications. Matched fluid system component shall have a male sealing end in accordance with EN 4550-1. The responsible German standardization committee is Working Committee NA 131-03-02 AA "Fluidische Systeme und Komponenten" ("Fluidic systems and components") at DIN Standards Committee Aerospace (NL).
This document replaces DIN EN 4550-4:2015-03 .
Corrected edition: Corrected document: Customers who purchased the previous document DIN EN 4550-4:2015-03 received free of charge