DIN V 65900-15-1999 航空航天系列.温度等级≤425℃用自锁螺母,螺纹镶嵌件的材料
Aerospace series - Materials for self-locking nuts, threaded inserts and screw thread inserts of temperature classes 425 °C (AECMA Technical Report TR 3791:1999)
The document gives the EN standardized materials or, on the national level, the materials standardized by AECMA member countries to be used for manufacturing the relevant products to insure their functional interchangeability. The use of EN standardized materials shall be given priority. It applies when it is referenced.