NBN EN 3299 : 2008

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Quality assurance
  4.1 Qualification
  4.2 Acceptance
      4.2.1 Purpose
      4.2.2 Conditions
      4.2.3 Responsibility
      4.2.4 Inspection and test report
5 Requirements
Annex A (normative) Checking bearing surface perpendicularity
        A.1 Inspection device
        A.2 Procedure
        A.3 Results to be obtained
Annex B (normative) Method of checking locking torque
        B.1 Inspection device
        B.2 Procedure
        B.3 Results to be obtained
Annex C (normative) Hardness test
        C.1 Choice of method
        C.2 Procedure

Describes the characteristics, qualification and acceptance requirements for self-locking shaft-nuts and threaded rings, with right- or left-hand MJ threads, in FE-PA2601, silver-plated, for aerospace applications.