HB 4273-1989
Specifications for thread gauges and standard screw hole rings for internal threads for wire thread inserts (English Version)

Standard No.

HB 4273-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

Professional Standard - Aviation

Status

Be replaced 2004-12

Replace By

HB 4273-2004

Latest

HB 4273-2004

Scope

This standard is applicable to the inspection of thread plug gauges and thread vertical gauges in accordance with the national military standard GJB 119.3-1986 "Internal Threads for Installing Wire Threads". It is also applicable to the standard screw hole ring and the calibration plug gauge used for comprehensive inspection of the national military standard GJB 119.4-1986 "Technical Conditions for Common Wire Threads".

HB 4273-1989 history

• 2004 HB 4273-2004 Technical specification for internal screw gauge for wire thread insert and standard tapping ring
• 1989 HB 4273-1989 Specifications for thread gauges and standard screw hole rings for internal threads for wire thread inserts