4820-01-259-1489 COVER,BALL VALVE Index 5220-01-259-1491 GAGE,PROFILE

National Stock Number:
5220-01-259-1490

Federal Supply Class:
5220

National Item Identification Number:
012591490

Description:
PLATE,SURFACE

Detail:
A RECTANGULAR OR SQUARE PRECISION TOOL HAVING A FLAT WORKING SURFACE(S) OF SPECIFIC FLATNESS. IT IS USED AS A DATUM PLANE IN CONNECTION WITH VARIOUS LAYOUT, INSPECTION, AND CALIBRATION OPERATIONS. IT MAY ALSO BE USED AS A LAPPING PLATE, BUT IS NOT GROOVED. SEE ALSO BLOCK, LAPPING; PLATE, DUPLEX, SURFACE AND LAPPING; AND PLATE, LAPPING.


Manufacturer Information:
8204228318STARRETT L S THE CO STARRETT GRANITE SURFACE PLATE DIV


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