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ISO 7481:2023

Aerospace — Nuts, self-locking, with maximum operating temperature less than or equal to 425 °C — Test methods

General information

Valid from 02.11.2023
ICS Groups
49.030.30 Nuts
Directives or regulations
None

Standard history

Status
Date
Type
Name
02.11.2023
Main
ISO 7481:2023
03.02.2000
Main
ISO 7481:2000
This document specifies test methods for metric self-locking nuts with MJ threads intended for use in aerospace construction at maximum operating temperatures less than or equal to 425 °C. It describes the test device and the method for each test.
It applies to self-locking nuts as defined above, provided that the relevant documents (dimensional standard, drawing, procurement specification, etc.) refer to this document.

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Standard monitoring
English (PDF 1 MB)

Related products

Main

EVS-EN 3834:2010

Aerospace series - Nuts, anchor, self-locking, floating, two lug, incremental counterbore, in corrosion resisting steel, MoS2 lubricated - Classification: 900 MPa (at ambient temperature) / 315 °C
Newest version Valid from 06.04.2010
Main

EVS-EN 3843:2010

Aerospace series - Nuts, bihexagonal, self-locking, with counterbore, in heat resisting steel, passivated - Classification: 1 100 MPa (at ambient temperature) / 650 °C
Newest version Valid from 04.11.2010
Main

EVS-EN 4011:2005

Aerospace series - Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated - Classification: 1 550 MPa (at ambient temperature) / 600 °C
Newest version Valid from 09.02.2005
Main

EVS-EN 3298:2008

Aerospace series - Inserts, thin wall, self-locking - Installation and removal procedure
Newest version Withdrawn from 02.05.2024

Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English