HB 2-49-1976
countersunk screw (English Version)
- Standard No.
- HB 2-49-1976
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 2-49-1983
- Latest
- HB 2-49-1994
HB 2-49-1976 history
- 1970 HB 2-49-1994 countersunk screw
- 1970 HB 2-49-1983 countersunk screw
- 1970 HB 2-49-1976 countersunk screw
