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National Stock Number: 5220-00-720-1474
Federal Supply Class: 5220
National Item Identification Number: 007201474
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:
| 487212B4AA&STANDRFL | 94182 | RAHN GRANITE SURFACE PLATE CO DBA RAHN PRECISION GRANITE |
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Techincal Specification:
| MATERIAL | GRANITE | | SURFACE LENGTH | 72.000 INCHES NOMINAL | | SURFACE WIDTH | 48.000 INCHES NOMINAL | | WORKING SURFACE FINISH | HAND SCRAPED | | WORKING SURFACE QUANTITY | 1 |
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