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National Stock Number:
5220-00-240-7307
Federal Supply Class:
5220
National Item Identification Number:
002407307
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.
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Techincal Specification:
| SURFACE WIDTH | 18.000 INCHES NOMINAL | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND B GRADE | | SURFACE LENGTH | 18.000 INCHES NOMINAL | | WORKING SURFACE QUANTITY | 1 | | MATERIAL | IRON CAST |
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