BS EN 4078-2009 pdf download.Aerospace series Inserts, threaded, thin wall, locked and self-locking, in heat resisting steel, MoS2 lubricated Classification: 1 100 MPa (at ambient temperature) / 315 °C.
This BS EN 4078 specifies the characteristics of threaded thin wall inserts, locked and with a self- locking feature achieved by deforming out-of-round the internal thread of mid length. in heat resisting steel, MoS2 lubricated.
Classification: 1100 MPa1) I 315 ec2)
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, Aerospace series — Marking of aerospace products
EN 2491, Aerospace series — Molybdenum disuiphide dry lubricants — Coating methods
EN 4217. Aerospace series — Inserts, thin wall, for airframe applications — Installation and removal procedure3)
EN 4218, Aerospace series — Inserts, thin wall, self-locking, MJ threads, in heat resisting steel, MoS2 lubricated — Classification 1100 MPa (at ambient temperature) / 315 °C — Technical specification3)
ISO 965-1, ISO general-purpose metric screw threads — Tolerances — Part 1: Principles and basic data ISO 5855-2, Aerospace — MJ threads — Part 2: Limit dimensions for bolts and nuts
TR 3791, Aerospace series — Materials for self-locking nuts, threaded inserts and screw thread inserts of temperature classes  425 °C
2.1 Configuration — Dimensions — Masses
See Figure 1 and Table 1.
Dimensions and tolerances are expressed in millimetres and apply before MoS2 lubrication.
Details of form not stated are at the manufacturer’s option.
2.2 Materials
TR 3791.
2.3 Surface treatment
Marking
EN 2424 , style G
5 Installation
EN 4217
6 Technical specification
EN 4218.BS EN 4078-2009 pdf download.