DIN EN 3672:2017 pdf free.Aerospace series一 Shank nuts, self-locking, in heat resisting nickel base alloy NI-P101HT (Waspaloy), silver plated, for 30° swage一 Classification: 1210 MPa (at ambient temperature) / 730 °C.
1 Scope
This European Standard specifies the characteristics of self-locking shank nuts in NI-P1O1HT, silver plated, for use in 30° cone holes, for aerospace applications. Classification: 1 210 MPa 1)/730 °C 2)
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. 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 offasteners EN 2959, Aerospace series — Heat resisting alloy NI-PH1302 (NiCr2OCo13Mo4Ti3AI) — Solution treated and cold worked — Barforforged fasteners —3 mm ≤ D ≤ 30 mm 3) EN 3005, Aerospace series — Nuts, self-locking, Mj threads, in heat resisting nickel base alloy Nl-PH1302 (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 (Ni-P1O1HT) — Cold worked and softened — Bar and wire for continuous forging or extrusion for fasteners —3 ≤ D ≤ 30 mm 3) ISO 5855-2, Aerospace — MJ threads — Part 2: Limit dimensions for bolts and nuts
3 Required characteristics
3.1 Configuration, dimensions, tolerances, masses See Figure 1 and Table 1 and Table 2. Dimensions and tolerances are in millimetres. They apply after silver plating.
3.2 Material EN 2959 or EN 3220.
3.3 Surface treatment EN 2786 on thread, counterbore and chamfers. Thickness: — External surfaces: 5 im to 15 Mm; — Thread ≥ MJ6: 5 um mm. on thread flanks; — Thread MJ5: shall show complete coverage, without thickness requirement.
4 Designation NOTE If necessary the originator code I9005 shall be placed between the description block and the identity block.
5 Marking EN 2424, Style A, as indicated in Figure 1.
6 Technical specification According to EN 3005.DIN EN 3672 pdf download.