Aerospace series – Nuts, hexagon, with MJ-thread, self-locking, corrosion-resisting steel, classification: 1 100 MPa/120 °C; Text in German and English
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/2011

Aerospace series – Nuts, hexagon, with MJ-thread, self-locking, corrosion-resisting steel, class: 1 100 MPa/120 °C; Text in German and English
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/2014