This standard BS EN 2862:2009 Aerospace series. Nuts, anchor, self-locking, fixed, 90° corner, with counterbore, in alloy steel, cadmium plated, MoS2 lubricated. Classification: 1100 MPa (at ambient temperature)/235°C is classified in these ICS categories:
49.030.30 Nuts
This standard specifies the characteristics of 90° corner, counterbored, fixed, anchor nuts, with a self-locking feature achieved by forming the upper portion out-of-round, in alloy steel, cadmium plated, MoS2 lubricated. Classification: 1 100 MPa 1) / 235 °C 2)