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National Stock Number:
5220-01-564-8609
Federal Supply Class:
5220
National Item Identification Number:
015648609
Description:
TOOLMAKER'S FLAT
Detail:
A FLAT, HARDENED PIECE OF STEEL, HAVING MICROFINISHED PARALLEL SURFACES CAPABLE OF ADHERING TO EACH OTHER WHEN TWO OR MORE FLATS ARE FIRMLY PRESSED (WRUNG) TOGETHER. IT IS USED FOR INSPECTION AND LAYOUT OPERATIONS REQUIRING EXTREME ACCURACY. SEE ALSO OPTICAL FLAT.
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Manufacturer Information:
| 6427 | 7T365 | TRU-STONE TECHNOLOGIES |
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Techincal Specification:
| CASE | NOT PROVIDED | | DESIGN TYPE | WORKING SINGLE | | DIAMETER | 6.000 INCHES NOMINAL | | MATERIAL | GRANITE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | TOOLMAKERS FLAT | | SPECIAL FEATURES | HAS ROUND PINK GRANITE PLATE;TOP AND BOTTOM TO BE FLAT AND PARALLEL;APPROX WIEGHT IS 15 LBS;TOLERANCE IS 0.000010 INCHES OVERALL FLATNESS AND PARALLELISM | | THICKNESS | 2.000 INCHES NOMINAL |
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