National Stock Number:
5210-01-127-6881
Federal Supply Class:
5210
National Item Identification Number:
011276881
Description:
BALL,MEASURING
Detail:
A SPHERICAL PIECE OF METAL, CARBIDE, CERAMIC, PLASTIC OR SYNTHETIC GEM, PRECISION GROUND AND ACCURATE IN DIAMETER AND SPHERICITY. IT IS USED IN CONJUNCTION WITH MEASURING TOOLS TO MEASURE SURFACES WHERE ROLLS OR WIRES WILL NOT MAKE CONTACT, SUCH AS COUNTERSINKS, INTERNAL GROOVES, TAPERED DIAMETERS, DOVETAILS, AND THE LIKE. FOR SETS OF DIFFERENT DIAMETERS, SEE BALL SET, MEASURING.
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