This European Standard 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 MPa / 315 ℃.
EN 4078:2009 Referenced Document
EN 2424 Aerospace series - Marking of aerospace products
EN 2491 Aerospace series - Molybdenum disulphide dry lubricants - Coating methods
ISO 5855-2 Aerospace - MJ threads - Part 2: Limit dimensions for bolts and nuts
ISO 965-1 ISO general purpose metric screw threads — Tolerances — Part 1: Principles and basic data — Amendment 1
TR 3791 Serie Aerospatiale Materiaux Pour Ecrous@ Douilles Filetees Et Filets Rapportes A Freinage Interne Par Deformation Des Classes De Temperature Less Than or Equal to 425 Degrees Celsius (Edition 3)
EN 4078:2009 history
2009EN 4078:2009 Aerospace series - Inserts, threaded, thin wall, locked and self-locking, in heat resisting steel, MoS2 lubricated - Classification: 1100 MPa (at ambient temperature) / 315 °C