Aerospace series - Shank nuts, self-locking, serrated - Installation procedure

This standard specifies the conditions of installation (tools, swaging and control) of self-locking serrated shank nuts defined by EN standards. It shall be applicable whenever referenced.

Luft- und Raumfahrt - Einnietmuttern, selbstsichernd, verzahnt - Einbauverfahren

Diese Norm legt die Einbaubedingungen (Werkzeuge, Einnietung und Prüfung) für selbstsichernde, verzahnte Einnietmuttern nach EN-Normen fest. Sie ist anzuwenden, wenn auf sie Bezug genommen wird.

Série aérospatiale - Ecrous à sertir, dentelés, à freinage interne - Procédure de montage

La présente norme spécifie les conditions de montage (outils, sertissage et contrôle) des écrous à sertir, dentelés, à freinage interne, définis par les normes EN. Elle doit être appliquée lorsqu'elle est citée en référence.

Aerospace series - Shank nuts, self-locking, serrated - Installation procedure

General Information

Status
Published
Publication Date
30-Jul-1996
Withdrawal Date
30-Jan-1997
ICS
49.030.30 - Nuts
Technical Committee
ASD-STAN - Aerospace
Drafting Committee
ASD-STAN/D 3 - Mechanical
Current Stage
9093 - Decision to confirm - Review Enquiry
Start Date
31-May-2017
Completion Date
14-Apr-2025
Ref Project
SIST EN 3064:2001 - Aerospace series - Shank nuts, self-locking, serrated - Installation procedure

Overview

EN 3064:1996 is a European standard developed by CEN that specifies the installation procedure for aerospace-grade shank nuts which are self-locking and serrated. This standard focuses on the correct conditions, necessary tools, and swaging and control processes required to ensure the reliable installation of these specialized fasteners. EN 3064:1996 is applicable wherever referenced, making it an essential guideline for aerospace manufacturing and maintenance operations involving self-locking serrated shank nuts.

Key Topics

  • Self-Locking Serrated Shank Nuts: The standard addresses nuts with serrated locking features that prevent loosening under vibration and dynamic loads, crucial for aerospace safety and reliability.
  • Installation Conditions: Defines specific installation parameters including correct tooling, swaging methods, and verification techniques to maintain nut integrity and performance.
  • Tooling Requirements: Details the types of installation tools compatible with serrated shank nuts to achieve proper swaging and locking function.
  • Swaging and Control Procedures: Specifies the control measures and inspection methods to confirm proper installation and locking effectiveness to prevent fastener failure.
  • Compatibility: Applies specifically to nuts defined by EN standards, ensuring harmonization within European aerospace components.

Applications

  • Aerospace Manufacturing: Critical for assembling aircraft structures, engine components, and systems that demand reliable fastening solutions with vibration resistance.
  • Maintenance and Repair: Provides a protocol for technicians to reinstall or replace shank nuts correctly, preserving safety standards during aircraft servicing.
  • Quality Assurance: Assists manufacturers and maintenance providers in meeting regulatory compliance by following standardized installation procedures for self-locking serrated nuts.
  • Tool Development: Guides toolmakers in designing installation equipment tailored for aerospace-grade serrated shank nuts to ensure optimal performance.

Related Standards

  • EN Series for Aerospace Fasteners: EN 3064 complements other EN standards focused on fasteners used in aerospace applications, ensuring consistency and interoperability.
  • International Aerospace Fastening Standards: Aligns with global best practices for locking and installation procedures of self-locking nuts, supporting international aerospace manufacturing.
  • Quality Control Standards: Supports compliance with aerospace quality and safety standards such as EN 9100 by defining installation procedures critical to fastener reliability.

By adhering to EN 3064:1996, aerospace manufacturers and maintenance personnel can ensure the high-quality installation of self-locking serrated shank nuts, improving assembly integrity, safety, and operational performance in aviation environments.

Frequently Asked Questions

EN 3064:1996 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Shank nuts, self-locking, serrated - Installation procedure". This standard covers: This standard specifies the conditions of installation (tools, swaging and control) of self-locking serrated shank nuts defined by EN standards. It shall be applicable whenever referenced.

This standard specifies the conditions of installation (tools, swaging and control) of self-locking serrated shank nuts defined by EN standards. It shall be applicable whenever referenced.

EN 3064:1996 is classified under the following ICS (International Classification for Standards) categories: 49.030.30 - Nuts. The ICS classification helps identify the subject area and facilitates finding related standards.

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Standards Content (Sample)


2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Shank nuts, self-locking, serrated - Installation procedureLuft- und Raumfahrt - Einnietmuttern, selbstsichernd, verzahnt - EinbauverfahrenSérie aérospatiale - Ecrous a sertir, dentelés, a freinage interne - Procédure de m
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