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National Stock Number:
5220-00-869-7958
Federal Supply Class:
5220
National Item Identification Number:
008697958
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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Manufacturer Information:
| 7900123 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 7900123 | 27130 | TRU-STONE GRANITE SURFACE PLATE CORP | | 7900123 | 28318 | STARRETT L S THE CO STARRETT GRANITE SURFACE PLATE DIV |
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Techincal Specification:
| MATERIAL | GRANITE | | SURFACE LENGTH | 24.000 INCHES NOMINAL | | SURFACE WIDTH | 18.000 INCHES NOMINAL | | WORKING SURFACE FINISH | GROUND | | WORKING SURFACE QUANTITY | 1 |
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