DIN 65244-2006 航空航天.带圆柱形深沉孔、浮动、单耳、带MJ螺纹耐腐蚀钢制自锁托板螺母.等级:1100MPa/315℃/425℃
Aerospace - Anchor nuts with MJ thread, deep counterbore, self-locking, floating, single lug, corrosion-resisting steel, classification: 1100 MPa/315 °C/425 °C
Anchor nuts according to this standard shall be used for connections with screws and bolts havind a nominal tensile strength of 1100 MPa. Anchor nuts with surface treatment to code letter D are intended for use at temperatures up to 315 ?and anchor nuts with surface treatment to code letter U at temperatures up to 425 ?