kSIST FprEN 3078:2025
(Main)Aerospace series - P, Q and saddle clamps with rubber cushion - Technical Specification
Aerospace series - P, Q and saddle clamps with rubber cushion - Technical Specification
This document specifies the required characteristics, inspection and test methods, quality assurance and delivery conditions, for P, Q and saddle clamps with rubber cushion, used for aerospace applications.
Luft- und Raumfahrt - Schellen in Schlaufen- (P- und Q-Form) und Sattel-Form mit Profilgummi - Technische Lieferbedingungen
No Scope available
Série aérospatiale - Colliers en « P », serrage central et « Ω » avec profiles en élastomère - Spécification technique
Le présent document spécifie les caractéristiques requises, les méthodes de contrôle et d'essai, l'assurance qualité et les conditions de livraison des colliers en « P », « Q » et « Ω » avec profilés (coussins) en élastomère, utilisés pour les applications aérospatiales.
Aeronavtika - Objemke tipa P, Q in cevne objemke z zaščitno obrobno prevleko iz gume - Tehnična specifikacija
General Information
- Status
- Not Published
- Public Enquiry End Date
- 04-Sep-2024
- Technical Committee
- I13 - Imaginarni 13
- Current Stage
- 5020 - Formal vote (FV) (Adopted Project)
- Start Date
- 22-Jul-2025
- Due Date
- 09-Sep-2025
- Completion Date
- 23-Jul-2025
Overview
kSIST FprEN 3078:2025 defines the technical specification for P, Q, and saddle clamps with rubber cushion utilized in aerospace applications. This standard, prepared by the Slovenian Institute for Standardization (SIST), details the required characteristics, inspection and test methods, quality assurance processes, and delivery conditions for these specialized fasteners. By establishing a clear framework for manufacturing and verification, the document supports the safe, reliable, and consistent use of rubber-cushioned clamps in demanding aerospace environments.
Key Topics
Clamp Types and Formations:
- P Clamps: Formed from a single metal strip creating a "P loop," used for securing pipes or cable bundles with a single fastener.
- Q Clamps: Similar to P clamps but shaped as a "Q loop," also for pipes and cables.
- Saddle Clamps: Constructed from two metal strips with cushions, formed into a "saddle" and retained by two fasteners. Available in fixed (type 1) and sliding (type 2) versions.
Material and Construction Requirements:
- All clamps must comply with specific material standards for both the metal strip and rubber cushion components.
- Surface treatments and surface texture are to align with referenced standards for aerospace hardware.
Dimensional and Visual Inspection:
- Critical dimensions and tolerances must adhere to detailed criteria, verified using appropriate inspection equipment and test mandrels.
- Clamps must be free from burrs, sharp edges, and defects that could affect performance or safety.
Quality Assurance and Acceptance:
- Manufacturers must implement and maintain an accepted aerospace quality management system, such as EN 9100.
- Acceptance procedures include sampling, classification of defects by severity (major/minor), and specific inspection levels per ISO 2859-1.
Packaging and Documentation:
- Packaging must protect clamps from environmental damage during storage and transport.
- Each parcel must include clear information: manufacturer, quantity, standard, and packaging date.
- Certificates of compliance must be provided per EN 10204.
Applications
The clamps covered by kSIST FprEN 3078:2025 are crucial for the secure installation and support of fluid pipes and cable bundles in aerospace systems. The use of a rubber cushion ensures vibration damping and protection against abrasion, which is vital for maintaining integrity in high-performance aerospace environments. Application examples include:
- Aircraft Hydraulic and Fluid Lines: Safely securing tubing and conduits in both airframes and engines.
- Electrical Cabling in Aircraft: Organizing and protecting wire harnesses against mechanical shock or movement.
- Satellite and Spacecraft Systems: Preventing movement and mitigating dynamic loads on sensitive assemblies.
Ensuring the correct clamp specification is essential for system reliability, crew safety, and compliance with overarching aerospace quality standards.
Related Standards
This technical specification cross-references several key standards, ensuring the holistic integration of P, Q, and saddle clamps in aerospace applications. Related standards include:
- EN 10204 – Metallic products: Types of inspection documents
- EN ISO 21920-1 – Geometrical product specifications (GPS): Surface texture
- ISO 2859-1 – Sampling procedures for inspection by attributes (AQL)
- ISO 3161 – Aerospace: UNJ threads requirements and dimensions
- ISO 5855-2 – Aerospace: MJ threads for bolts and nuts
- EN 9100 – Quality Management Systems for Aviation, Space and Defence Organizations
Implementing kSIST FprEN 3078:2025 in combination with these standards enhances product quality, traceability, and safety throughout the aerospace supply chain.
Keywords: aerospace clamps, P clamps, Q clamps, saddle clamps, rubber cushion, technical specification, aerospace standard, quality assurance, inspection methods, SIST, EN 3078.
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Frequently Asked Questions
kSIST FprEN 3078:2025 is a draft published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - P, Q and saddle clamps with rubber cushion - Technical Specification". This standard covers: This document specifies the required characteristics, inspection and test methods, quality assurance and delivery conditions, for P, Q and saddle clamps with rubber cushion, used for aerospace applications.
This document specifies the required characteristics, inspection and test methods, quality assurance and delivery conditions, for P, Q and saddle clamps with rubber cushion, used for aerospace applications.
kSIST FprEN 3078:2025 is classified under the following ICS (International Classification for Standards) categories: 49.030.99 - Other fasteners; 49.060 - Aerospace electric equipment and systems; 49.080 - Aerospace fluid systems and components. The ICS classification helps identify the subject area and facilitates finding related standards.
kSIST FprEN 3078:2025 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 3078:2024
01-september-2024
Aeronavtika - Objemke tipa P, Q in cevne objemke z zaščitno obrobno prevleko iz
gume - Tehnična specifikacija
Aerospace series - P, Q and saddle clamps with rubber cushion - Technical Specification
Luft- und Raumfahrt - Schellen in Schlaufen- (P- und Q-Form) und Sattel-Form mit
Profilgummi - Technische Lieferbedingungen
Série aérospatiale - Colliers en « P », serrage central et « Ω » avec profiles en
élastomère - Spécification technique
Ta slovenski standard je istoveten z: prEN 3078
ICS:
49.030.99 Drugi vezni elementi Other fasteners
49.080 Letalski in vesoljski Aerospace fluid systems and
hidravlični sistemi in deli components
oSIST prEN 3078:2024 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
oSIST prEN 3078:2024
oSIST prEN 3078:2024
DRAFT
EUROPEAN STANDARD
prEN 3078
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2024
ICS 49.060; 49.080
English Version
Aerospace series - P, Q and saddle clamps with rubber
cushion - Technical Specification
Série aérospatiale - Colliers en " P ", serrage central et " Luft- und Raumfahrt - Schellen in Schlaufen- (P- und Q-
O " avec profiles en élastomère - Spécification Form) und Sattel-Form mit Profilgummi - Technische
technique Lieferbedingungen
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
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 3078:2024 E
worldwide for CEN national Members.
oSIST prEN 3078:2024
prEN 3078:2024 (E)
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
3.1 Clamps . 4
3.2 Quality assurance . 5
4 Required characteristics, inspection and test methods . 5
4.1 General. 5
4.2 Test conditions . 6
5 Quality assurance . 9
5.1 Approval of manufacturer . 9
5.2 Acceptance conditions . 9
5.3 User’s quality control . 9
5.4 Rejection . 10
6 Packaging and storage . 10
6.1 General. 10
6.2 Parcel information . 10
6.3 Collective packings, for transport . 10
7 Certificate of compliance with the order . 10
Bibliography . 11
oSIST prEN 3078:2024
prEN 3078:2024 (E)
European foreword
This document (prEN 3078:2024) has been prepared by the Aerospace and Defence Industries
Association of Europe — Standardization (ASD-STAN).
This document is currently submitted to the CEN Enquiry.
oSIST prEN 3078:2024
prEN 3078:2024 (E)
1 Scope
This document specifies the required characteristics, inspection test methods, quality assurance and
delivery conditions, for P, Q and saddle clamps with rubber cushion, used for aerospace applications.
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 10204, Metallic products - Types of inspection documents
EN ISO 21920-1, Geometrical product specifications (GPS) - Surface texture: Profile - Part 1: Indication of
surface texture (ISO 21920-1)
ISO 2859-1, Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by
acceptance quality limit (AQL) for lot-by-lot inspection
ISO 3161, Aerospace — UNJ threads — General requirements and limit dimensions
ISO 5855-2, Aerospace — MJ threads — Part 2: Limit dimensions for bolts and nuts
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology 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/
3.1 Clamps
3.1.1
“P” clamp
single metal strip formed into a “P loop” (see Figure 1)
Note 1 to entry: Used to support fluid pipes or cable bundles. Retained by a single fastener.
3.1.2
“Q” clamp
single metal strip formed into a “Q loop” (see Figure 2)
Note 1 to entry: Used to support fluid pipes or cable bundles. Retained by a single fastener.
3.1.3
“saddle” clamp
two meta
...