National Stock Number: 5210-27-049-1073
Federal Supply Class: 5210
National Item Identification Number: 270491073
Description: BLOK MASTAR
Detail: A HARDENED METALLIC BLOCK WITH PARALLEL PRECISION GROUND SUPERFINISHED SURFACES TO PERMIT WRINGING TOGETHER. A COMPONENT OF GAGE BLOCK SET USED IN SETUP AND INSPECTION WORK. EXCLUDES GAGE BLOCK SET.
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