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		                             National Stock Number: 5210-00-230-7818
  Federal Supply Class: 5210
  National Item Identification Number: 002307818
  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:
 | 28E | 48521 | COLT INDUSTRIES OPERATING CORP PRATT AND WHITNEY MACHINE TOOL DIV |  | 5210PL0930731 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |  | SS28.A1 | 64204 | L.S. STARRETT COMPANY, THE |  | GGGG15 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |  | MILSTD120GAGES | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |   
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  Techincal Specification:
 | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY GAGING RANGE TOLERANCE |  | NONDEFINITIVE SPEC/STD DATA | 1 STYLE AND A GRADE AND 1 CLASS AND 28 SET |   
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