This standard specifies several basic types of dividing parts, blank size series and accuracy requirements for selection when designing dividing parts. The graduation tolerance of the graduation parts shall comply with the regulations of CB 1109-84 "Graduation Tolerance of the Graduation Parts of Marine Instruments". This standard is mainly applicable to blanks of aluminum alloy and organic glass materials. Blanks of other materials can be implemented as a reference.
CB 1151-1986 history
1986CB 1151-1986 Marine instrument divider blank series