SAE AS 9527B:2016-07-22

ADD DIAMETER SYMBOL TO FEATURE CONTROL FRAME FOR STRAIGHTNESS CALLOUT, UPDATE ANSI Y14.5M SYMBOLS AND FORMATTING, RELOCATE W DATUM AND ADD A TERTIARY DATUM FOR DRILLED HOLE POSITION, ADD NOTE FOR USAGE OF EXISTING INVENTORY, ADD EDGE DISTANCE EXCEPTION FOR HEAD MARKING, FIGURE 1 REDRAWN, GENERAL EDITORIAL UPDATE.