prEN 2288

• Status: Not Published
• Publication Date: 19-Dec-2027
• ICS: 49.030.99 - Other fasteners
• Technical Committee: ASD-STAN - Aerospace
• Drafting Committee: ASD-STAN/D 3/S 1 - Parts of Mechanical Systems
• Current Stage: 4020 - Submission to enquiry - Enquiry
• Start Date: 25-Jun-2026
• Completion Date: 25-Jun-2026
• Ref Project: oSIST prEN 2288:2026 - Aerospace series - Bush, flanged, corrosion resisting steel, with self-lubricating liner - Dimensions and loads

• Revises: EN 2288:2019 - Aerospace series - Bush, flanged, corrosion resisting steel, with self-lubricating liner - Dimensions and loads
• Effective Date: 03-May-2023

Overview

prEN 2288:2026 is a draft European standard developed by CEN for the aerospace industry, specifying the properties of flanged bushes made from corrosion resistant steel with self-lubricating liners. This standard provides critical guidance for ensuring compatibility, durability, performance, and safety of these mechanical components in demanding aerospace applications. It supersedes EN 2288:2019, incorporating updates in normative references, requirements, materials, and surface treatments.

Key Topics

• Product Scope and Function
  The standard details flanged bushes constructed from corrosion resistant steel equipped with self-lubricating liners. These bushes are engineered to operate in a temperature range from −55°C to 163°C and are suitable for installation via interference fit in both fixed and moving aerospace assemblies.

• Material Requirements

  • Bush materials align with EN 3490, EN 3161, WL1.4044, or equivalents.
  • Liner materials must comply with EN 2311 for self-lubricating, wear-resistant performance.
  • Surface treatments options include no treatment or passivation according to AMS 2700 specifications.

• Dimensional and Load Parameters
  prEN 2288 provides approved configuration details, standard sizes, and permissible radial and axial loads for various bush dimensions. Tables specify both static and dynamic load capacities, ensuring the correct selection for specific structural and operational demands.

• Marking and Technical Documentation
  Marking protocols conform to EN 2424, requiring clear identification of both the bush and its packaging, including details on liner technology and surface treatment.

• Design and Mounting Recommendations
  Installation by interference fit is mandatory, with specific shaft and housing recommendations to ensure load performance. The shaft hardness should be a minimum of 50 HRC for the optimal function of the bush.

• Quality Management
  Manufacturing should align with recognized aerospace quality systems such as EN 9100, ensuring consistent compliance and traceability across the supply chain.

Applications

• Aircraft Structures
  Flanged bushes designed to this standard are widely used in critical assemblies where high strength, low maintenance, and corrosion resistance are necessary, such as in landing gear, flaps, and control surfaces.

• Rotorcraft and Spacecraft
  The self-lubricating liner and stainless steel construction make these bushes suitable for aircraft and spacecraft requiring prolonged wear life and minimal lubrication in hard-to-access areas.

• Interference Fit Mechanical Joints
  The standard’s design recommendations ensure optimal performance in joints where precision and durability under cyclic loads are essential.

• General Aerospace Fasteners
  While specialized for the aerospace sector, these bushes can also provide added value in other high-performance engineering fields that demand reliability under extreme environmental conditions.

Related Standards

For complete design, specification, and procurement of flanged bushes, prEN 2288 should be considered alongside the following standards:

• EN 2311: Aerospace series – Bushes with self-lubricating liner – Technical specification
• EN 2424: Aerospace series – Marking of aerospace products
• EN 3161: Aerospace series – Steel FE-PM3801 – Specifications for bar and rod material
• EN 3490: Aerospace series – Steel X15CrNi17-3 specification for bars and forgings
• AMS 2700: Passivation of Corrosion Resistant Steels
• EN 9100: Quality Management Systems for aviation, space, and defence organizations

These documents collectively ensure that flanged bushes and their applications in aerospace settings meet international standards for safety, quality, and functionality.

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Keywords: prEN 2288, aerospace bushes, flanged bush, corrosion resistant steel, self-lubricating liner, aerospace fasteners standard, interference fit, CEN standard, EN 9100, EN 2311, technical specification, aerospace quality management.

SLOVENSKI STANDARD
01-september-2026
Aeronavtika - Puše s prirobnico iz korozijsko odpornega jekla s samomazalno
oblogo - Mere in obremenitve
Aerospace series - Bush, flanged, corrosion resisting steel, with self-lubricating liner -
Dimensions and loads
Luft- und Raumfahrt - Buchse mit Flansch aus korrosionsbeständigem Stahl mit
selbstschmierender Beschichtung - Maße und Belastungen
Ta slovenski standard je istoveten z: prEN 2288
ICS:
49.030.99 Drugi vezni elementi Other fasteners
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2026
ICS 49.030.99 Will supersede EN 2288:2019
English Version
Aerospace series - Bush, flanged, corrosion resisting steel,
with self-lubricating liner - Dimensions and loads
Luft- und Raumfahrt - Buchse mit Flansch aus
korrosionsbeständigem Stahl mit selbstschmierender
Beschichtung - Maße und Belastungen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee ASD-
STAN.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 2288:2026 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Requirements . 4
4.1 Configuration — Dimensions — Masses . 4
4.2 Surface roughness . 4
4.3 Material . 5
4.4 Surface treatment . 5
5 Designation . 9
6 Marking . 10
7 Technical specification . 10
8 Design recommendation . 10
9 Quality management system. 11
Bibliography. 12

European foreword
This document (prEN 2288:2026) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this document has
received the approval of the National Associations and the Official Services of the member countries of
ASD-STAN, prior to its presentation to CEN.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 2288:2019.
— normative references updated;
— Clause 3 “Terms and definitions” added;
— Clause 4 “Requirements” updated with surface treatment requirements;
— 4.3 “Materials” updated;
— 4.4 “Surface treatment” added;
— bibliography updated;
— document editorially revised.
1 Scope
This document specifies the characteristics of flanged bushes in corrosion resisting steel with self-
lubricating liner and the design recommendation of shafts and housings.
The bushes are intended for operation within the temperature range of −55 °C to 163 °C and assembly
with an interference fit into fixed and moving aerospace parts.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 2311, Aerospace series — Bushes with self-lubricating liner — Technical specification
EN 2424, Aerospace series — Marking of aerospace products
EN 3161, Aerospace series — Steel FE-PM3801 (X5CrNiCu17-4) — Air melted, solution treated and
precipitation treated, bar a or D ≤ 200 mm, R ≥ 930 MPa
m
EN 3490, Aerospace series — Steel X15CrNi17-3 (1.4057) — Air melted — Hardened and tempered —
Bars for machining — D ≤ 200 mm — 900 MPa ≤ R ≤ 1 100 MPa
e m
AMS 2700, Passivation of Corrosion Resistant Steels
WL1.4044, Stainless heat-treatable chromium steel with about 0.2 C-17 Cr-2 Ni;rods and forgings
TR 4661, Aerospace series — Bearings, flight controls — Materials and surface treatments
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at https://www.electropedia.org/
4 Re
...