BS EN 4623:2010 pdf download.Aerospace series – Inserts, MJ threads, self-locking, with self- broaching keys, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated.
BS EN 4623 specifies the characteristics of self-locking, MJ thread inserts, self-broaching keys, in Nl-PH2601, silver plated, for aerospace applications.
Classification: 1 550 MPa 1)/600 °C 2)
2 Normative references
The following referenced documents are indispensable for the application 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 2424:2008, Aerospace series — Marking of aerospace products
EN 2786, Aerospace series — Electrolytic silver plating of fasteners
EN 2952, Aerospace series — Heat resisting alloy Nl-PH2601 — Solution treated and cold worked — Bar for forged fasteners — 0 < 50 mm — 1 270 MPa < Rm < 1 550 MPa 3)
EN 4619, Aerospace series — Inserts, MJ threads, self-locking, with self-broaching keys — Installation and removal procedure
EN 4620, Aerospace series — Inserts, MJ threads, self-locking, with self-broaching keys — Design standard
EN 4621, Aerospace senes — Inserts, MJ threads, self-locking, self-broaching keys — Technical specification
ISO 5855-1, Aerospace — MJ threads — Part 1: General requirements
ISO 5855-2, Aerospace — MJ threads — Part 2: Limit dimensions for bolts and nuts
TR 3198, Aerospace series — Manufacturers identification monograms and marks for EN aerospace products 4)
3 Required characteristics
3.1 Configuration — Dimensions — Tolerances — Masses
See Figure 1 and Tables 1, 2, 3 and 4.
Dimensions and tolerances are in millimetres. They apply after silver plating.
3.2 Material
Insert: EN 2952 treated for 370 HV to 480 HV.
Keys: Stainless steel or Nickel alloy treated for HV > 600.BS EN 4623 pdf download.
BS EN 4623:2010 pdf download
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