DIN EN 2647:2007 航空航天系列.镀隔合金钢加 MoS2 润滑剂的球形座自锁六角螺母.等级:900MPa(环境温度)/235℃
Aerospace series - Nuts, hexagonal, self-locking, ball seat, in alloy steel, cadmium plated, MoS2 lubricated - Classification: 900 MPa (at ambient temperature)/235 °C; German and English version EN 2647:2006
This standard specifies the characteristics of self-locking hexagonal nuts with ball seat in alloy steel,cadmium plated,MoS2 lubricated.
Classification:900 MPa/235 °C
They are intended to be used with washers to EN 2648 or suitable parts,see Annex A