BS/EN 4124-2018 pdf download.Aerospace series – Shank nuts, self-locking, in heat resisting nickel base alloy NI-PH 1302 (Waspaloy), silver plated on thread, for 60° swage – Classification:1 210 MPa (at ambient temperature) / 730 °C.
This document specifies the charactenstics of self-locking shank nuts in NI-PH 1302, silver plated on thread, for use in 60° cone holes, for aerospace applications.
Classification: 1 210 MPa1 / 730 °C2 2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constltutes 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 2424. Aerospace series — Marking of aerospace products
EN 2786. Aerospace series — Electrolytic silver plating of fasteners
EN 2959, Aerospace series — Heat resisting alloy NI-PH1302 (NECr2OCo13Mo4T13AI) — Solution treated
and cold worked — Barforforged fasteners —3 mm ≤ D ≤ 30 mm3
EN 3005, Aerospace series — Nuts, self-locking, Mj threads, in heat resisting nickel base alloy NI-PH 1302
(Waspaloy), silver plated or uncoated — Classification: 1 210 MPa (at ambient temperature) /730 °C — Technical specification
EN 3220, Aerospace series — Heat resisting nickel base alloy (Nl-P1 01 HT) — Cold worked and softened — Bar and wire for continuous forging or extrusion forfasteners —3 ≤ D ≤ 30mm
ISO 5855-2, Aerospace — MJ threads — Part 2: Limit dimensions for bolts and nuts
3 Required characteristics
3.1 Configuration — Dimensions — Tolerances — Masses
Sec Figure 1 and Table 1.
Dimensions and tolerances are in millimetres. They apply after silver plating for thread surface.
3.2 Materials
EN 2959 or EN 3220.
3.3 Surface treatment
EN 2786 on thread only.
5 Marking
EN 2424 , style A , as indicated on Figure 1 .
6 Technical specification
EN 3005.BS/EN 4124-2018 pdf download.