DPS
Drejtoria e Përgjithshme e Standardizimit

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Phone: +355 4 222 62 55
E-mail: info@dps.gov.al
Address: Address: "Reshit Collaku" Str., (nearby ILDKPKI, VI floor), Po.Box 98, Tiranë - Albania

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prSSH EN 4012:2025

Aerospace series - Nut, bihexagonal, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), MoS2 coated - Classification: 1 550 MPa (at ambient temperature)/425 °C

General information

Current stage: 40.60 Effective date: May 11, 2026

Next stage: 50.99

Originator: DPS

Owner: DPS/KT 256

Type: European Norm

ICS: 49.030.30

Scope

This document specifies the characteristics of self-locking bihexagonal nuts in NI-PH2601, MoS2 coated, for aerospace applications.
Classification: 1 550 MPa /425 °C .

Life cycle

PREVIOUSLY

PUBLISHED
SSH EN 4012:2004

NOW

IN_DEVELOPMENT
prSSH EN 4012:2025
40.60 Close of voting
May 11, 2026

prSSH EN 4012:2025

Aerospace series - Nut, bihexagonal, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), MoS2 coated - Classification: 1 550 MPa (at ambient temperature)/425 °C

General information

Scope

Life cycle

PREVIOUSLY

NOW

Related project

Adopted from EN 4012:2025 IDENTICAL