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National Stock Number:
5210-22-621-7892
Federal Supply Class:
5210
National Item Identification Number:
226217892
Description:
CALIPER,MICROMETER,
Detail:
A PRECISION MEASURING INSTRUMENT WITH A MICROMETER SCREW ATTACHMENT USED FOR MAKING EXACT EXTERNAL LINEAR MEASUREMENTS OF THICKNESS, OUTSIDE DIAMETERS, OR DISTANCES OVER TWO PARALLEL PLANES. IT CONSISTS OF A U-FRAME AND A MICROMETER, THE SPINDLE OF WHICH IS ALIGNED WITH AN OPPOSITE ANVIL. IT MAY INCLDUE A DIAL INDICATOR, DIGITAL DISPLAY, AND/OR A PUSH-BUTTON MECHANISM WHICH ACTIVATES A RETRACTABLE ANVIL TO ASSURE UNIFORMITY OF CONTACT PRESSURE, AND PERMITS USE AS A VISUAL COMPARATOR. GRADUATIONS MAY BE IN INCHES AND/OR MILLIMETERS.
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