HB 0-77-1991
Interference thread for repair (English Version)
- Standard No.
- HB 0-77-1991
- Language
- Chinese, Available in English version
- Release Date
- 1992
- Published By
- Professional Standard - Aviation
- Latest
- HB 0-77-1991
- Replace
- HB 0-77-1972
- Scope
- This standard specifies the dimensions, tolerances, technical quality requirements and assembly torque of interference threads for repair. The interference thread for repair used in this standard refers to the thread that is used for repair by changing the pitch diameter limit size of the thread to obtain the interference of the pitch diameter of the thread pair. This standard applies to the repair of AG (steel to aluminum, magnesium alloy) threads in aviation products.
HB 0-77-1991 history
- 1992 HB 0-77-1991 Interference thread for repair
- 1970 HB 0-77-1972 Interference thread for repair
