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National Stock Number:
5210-01-521-3853
Federal Supply Class:
5210
National Item Identification Number:
015213853
Description:
GAGE BLOCK SET
Detail:
A GROUP OF HARDENED METALLIC BLOCKS WITH PARALLEL SURFACES SUPERFINISHED FLAT TO PERMIT WRINGING TOGETHER. THEY MAY BE IN VARIOUS SIZES ACCORDING TO REQUIREMENTS. TOLERANCES ARE HELD SO THAT ACCUMULATED ERROR IS VERY SMALL. USED IN SET-UP AND INSPECTION OF PRECISION WORK.
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Manufacturer Information:
| 53-684-080 | 1E258 | FRED V. FOWLER COMPANY, L.L.C. |
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Techincal Specification:
| COMPONENT QUANTITY | 81 | | FURNISHED ITEMS | 9 BLOCKS .1001 THRU .1009 STEP OF .0001 49 BLOCKS .101 THRU .149 STEP OF .001 19 BLOCKS .050 THRU .950 STEP OF .050 4 BLOCKS 1.000 THRU 4.000 STEP OF 1.000 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | ZIRCONIA CERAMIC GAGE BLOCK SET | | SPECIAL FEATURES | CERAMIC GAGE BLOCKS RESIST CORROSION AND DEFACEMENT AND REQUIRE NO PROTECTIVE COATING. BLOCKS FEATURE A COEFFICIENT OF EXPANSION ONLY 2X 10-8/C DIFFERENT THAN STEEEL BLOCKS. THEY ARE INSPECTED FOR ACCURATE SIZE, TOLERANCE, LENGTH AND FLATNESS. RECTANGULAR IN SHAPE, ARE CONSTRUCTED OF HIGH GRADE ZIRCONIA CERAMIC. |
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