National Item Identification Number

00-221-1972
002211972
5210-00-221-1972
5210002211972

National Stock Number

Item Name

CALIPER,MICROMETER,OUTSIDE

Federal Supply Class

5210

Description

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.

Commercial and Government Entity Code (Supplier Data)

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57163

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Reference Numbers (Part Numbers)

228RL

Required Categories

GAGING RANGE
GRADUATION UNIT
RATCHET STOP
LOCKNUT
PUSHBUTTON PRESSURE CONTRO

Required Description

0.000 TO 1.000 INCHES
THOUSANDTHS OF AN INCH
INCLUDED
INCLUDED
NOT INCLUDED