This standard specifies the characteristics of self-locking, helical coil, screw thread inserts in NI-PH1801
(NI-P96HT), silver plated, for aerospace applications.
Maximum test temperature: 550 °C.
BS EN 4493:2008 Referenced Document
EN 2424 Aerospace series - Marking of aerospace products
EN 2786 Aerospace series - Electrolytic silver plating of fasteners
EN 2943 Aerospace series - Insert, MJ and M screw threads, helical coil - Technical specification*, 2024-03-06 Update
EN 2945 Aerospace series - Inserts, screw thread, helical coil, self-locking - Assembly procedure
EN 3044 Aerospace series - Installation holes for inserts, screw thread, helical coil, self-locking - Design standard
ISO 5855-2 Aerospace - MJ threads - Part 2: Limit dimensions for bolts and nuts
BS EN 4493:2008 history
2008BS EN 4493:2008 Aerospace series - Inserts, screw thread, helical coil, self-locking, in heat resisting nickel base alloy NI-PH1801 (NIP96HT, Nimonic 90), silver plated