Standard

NS-EN 2856:2006

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Abstract

This standard specifies requirements for closed corner, counterbored, fixed, reduced series anchor nuts, with a self-locking feature achieved by forming the upper portion out-of-round. These nuts are intended for use in aircraft assemblies, in which the fasteners are mainly objected to shear loads. The counterbore is deep enough to accommodate a bolt shank in excess of assembly thickness, as well as the incomplete threads. They are intended to be used with threaded parts of 1 100 MPa ) tensile strength classification. The cadmium plating restricts the application to temperature not exceeding 235 °C.

Document information

  • Standard from SN
  • Published:
  • Edition: 2006-06
  • Version: 1
  • Document type: NAT
  • ICS 49.030.30
  • National Committee ASD-STAN

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