NF E25-417

NF E25-417

September 2021
Standard Current

Fasteners - Prevailing torque regular hexagon nuts (with non-metallic insert) and conical washer assemblies, symbol H FR + CL - Product grade A

Le présent document spécifie les caractéristiques des écrous hexagonaux autofreinés (à anneau non métallique) à rondelle conique lisse imperdable, en acier et en acier inoxydable, à filetage métrique ISO M5 à M16, et de grade A. Il définit les dimensions, les caractéristiques, les contrôles et essais, le marquage, l'étiquetage et la désignation.

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Main informations

Collections

National standards and national normative documents

Publication date

September 2021

Number of pages

15 p.

Reference

NF E25-417

ICS Codes

21.060.20   Nuts

Classification index

E25-417

Print number

1
Sumary
Fasteners - Prevailing torque regular hexagon nuts (with non-metallic insert) and conical washer assemblies, symbol H FR + CL - Product grade A

Le présent document spécifie les caractéristiques des écrous hexagonaux autofreinés (à anneau non métallique) à rondelle conique lisse imperdable, en acier et en acier inoxydable, à filetage métrique ISO M5 à M16, et de grade A. Il définit les dimensions, les caractéristiques, les contrôles et essais, le marquage, l'étiquetage et la désignation.
Replaced standards (1)
NF E25-417
April 1986
Standard Cancelled
Prevailing torque type hexagon nuts (non-metallic insert) with conical spring tightening washer. Product grade A

La présente norme fixe les dimensions, caractéristiques, contrôles et essais s'appliquant aux écrous hexagonaux autofreinés à anneau non métallique, à rondelle conique lisse incorporée. Elle fait partie d'un ensemble de cinq normes devis à métaux et écrous à rondelle incorporée. Il s'agit de produits peu fréquemment tenus en stock.

Table of contents
  • Avant-propos
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Dimensions
  • 4 Exigences et normes de référence
  • 5 Contrôles et essais
  • 6 Marquage et étiquetage
  • 7 Désignation
  • Bibliographie
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