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		                        | National Stock Number:
 3820-00-389-7785
 
 Federal Supply Class:
 3820
 
 National Item Identification Number:
 003897785
 
 Description:
 DRILL,PNEUMATIC,SINKER
 
 Detail:
 A HAND HELD PNEUMATIC POWERED MACHINE CONTAINING A MECHANISM WHICH IMPARTS IMPACT BLOWS AND INTERMITTENT ROTARY MOTION TO A DRILLING TOOL IN DRILLING ROCK-LIKE FORMATIONS. THIS ITEM MAY NOT BE COLUMN OR TRIPOD-MOUNTED, NOR PROVIDED WITH A WHEELED "WAGON MOUNTING". SEE ALSO DRILL, PNEUMATIC, DRIFTER.
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 Manufacturer Information:
 
 | CP42 | 11976 | CHICAGO PNEUMATIC TOOL CO |  | CP42 | 90299 | CHICAGO PNEUMATIC TOOL CO |  | MIL-D-52121 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | 
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 Techincal Specification:
 
 | NONDEFINITIVE SPEC/STD DATA | 3 CLASS |  | ROD SHANK CROSS-SECTIONAL SHAPE | HEXAGONAL |  | ROD SHANK TYPE | COLLARED |  | ROD SHANK LENGTH | 4.250 INCHES NOMINAL |  | USAGE DESIGN | DRY |  | WEIGHT | 55.0 POUNDS NOMINAL |  | WIDTH ACROSS FLATS | 1.000 INCHES NOMINAL | 
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