HB 4-68-1999
Hex head screw plug (English Version)
- Standard No.
- HB 4-68-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Aviation
- Latest
- HB 4-68-1999
- Replace
- HB 4-1968-1983
HB 4-68-1999 history
- 1999 HB 4-68-1999 Hex head screw plug
- 1984 HB 4-68-1983 Hex head screw plug
- 1976 HB 4-68-1976 Hex head screw plug
