HB 5640-1981
Twelve angle flattened self-locking nuts (maximum working temperature 230°C) (English Version)
- Standard No.
- HB 5640-1981
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 5640-1987
- Latest
- HB 5640-1987
HB 5640-1981 history
- 1970 HB 5640-1987 Twelve angle flattened self-locking nuts (maximum working temperature 230°C)
- 1970 HB 5640-1981 Twelve angle flattened self-locking nuts (maximum working temperature 230°C)
