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National Stock Number: 5220-00-240-7303
Federal Supply Class: 5220
National Item Identification Number: 002407303
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:
S3B4 | 94855 | CORBAN SCRAPING AND MACHINERY CO |
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Techincal Specification:
MATERIAL | IRON CAST | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND B GRADE | WORKING SURFACE QUANTITY | 1 | SURFACE LENGTH | 4.000 INCHES NOMINAL | SURFACE WIDTH | 3.500 INCHES NOMINAL |
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