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FprEN 4048

Aerospace series - Nuts, self-locking, MJ threads, in heat-resisting nickel base alloy NI-PH2601 (Inconel 718), MoS2 coated - Classification: 1 550 MPa (at ambient temperature)/425 °C - Technical specification FprEN 4048

Publication date:   May 21, 2026

General information

60.55   Ratification completed (DOR)   Aug 17, 2026

CEN

ASD-STAN Aerospace

European Norm

49.030.30   Nuts

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Scope

This document specifies the characteristics, qualification and acceptance requirements for self-locking nuts with MJ threads in NI-PH2601, MoS2 coated, for aerospace applications.
Classification: 1 550 MPa /425 °C .
It is applicable whenever referenced.

Life cycle

PREVIOUSLY

PUBLISHED
EN 4048:2004

NOW

IN_DEVELOPMENT
FprEN 4048
60.55 Ratification completed (DOR)
Aug 17, 2026




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