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		                             National Stock Number: 5136-01-091-1750
  Federal Supply Class: 5136
  National Item Identification Number: 010911750
  Description: TAP,THREAD CUTTING
  Detail: An internal threading tool with longitudinally separated cutting edges designed to form specific threads. 
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  Manufacturer Information:
 | GGG-T-0070 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |  | GGG-T-0070TY1SEASTB | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE |  | LIST128T116 | 09058 | BNS HOLDING INC. DBA BNS CO DIV PRECISION MEASURING INSTRUMENTS TESA USA |   
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  Techincal Specification:
 | FLUTE QUANTITY | 3 |  | LENGTH | 0.238 INCHES NOMINAL SQUARE END |  | MATERIAL | STEEL OVERALL |  | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND A SERIES AND B STYLE |  | OVERALL LENGTH | 3.375 INCHES NOMINAL |  | SHANK DIAMETER | 0.500 INCHES NOMINAL |  | STARTING CHAMFER TYPE | PLUG |  | STYLE DESIGNATOR | SPIRAL FLUTE |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD FORMING METHOD | GROUND |  | THREAD LENGTH | 1.656 INCHES NOMINAL |  | THREAD PITCH DIAMETERS | +0.4495 TO 0.4505 INCHES |  | THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.500-13 UNIFIED NATIONAL COARSE (UNC) |  | THREAD STRUCTURE | REGULAR |  | WIDTH ACROSS FLATS | 0.219 INCHES NOMINAL |   
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