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National Stock Number:
3820-00-185-8898
Federal Supply Class:
3820
National Item Identification Number:
001858898
Description:
DRILL,PNEUMATIC,DRIFTER
Detail:
A PNEUMATIC POWERED MACHINE EITHER MOUNTED OR DESIGNED TO BE MOUNTED ON COLUMNS, TRIPODS, WHEELS, CRAWLERS, QUARRY BARS, OR THE LIKE. THIS ITEM CONTAINS A MECHANISM WHICH IMPARTS AN IMPACT AND INTERMITTENT ROTARY MOTION TO A DRILLING TOOL IN DRILLING ROCKLIKE FORMATIONS. IT MAY BE PROVIDED WITH A HAND OR POWER FEED MECHANISM. SEE ALSO DRILL, PNEUMATIC, SINKER.
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Manufacturer Information:
| MIL-D-21201 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| DIAMETER | 1.500 INCHES NOMINAL | | FEED METHOD | POWER | | MOUNTING CHARACTERISTIC | MOUNTED | | MOUNTING TYPE | CRAWLER | | PROPULSION METHOD | AIR-MOTOR | | ROD SHANK CROSS-SECTIONAL SHAPE | ROUND | | ROD SHANK LENGTH | 3.812 INCHES NOMINAL | | ROD SHANK TYPE | LUGGED | | SPECIAL FEATURES | DRIFTER DRIVE CHUCK ACCOMMODATED DRILL SHANK W/DIMENSIONS AS DETAILED ON MS90496/YD/ ROPE TYPE THD,5 DRILL SHANKS FURNISHED | | SPECIFICATION/STANDARD DATA | 81349-MIL-D-21201 GOVERNMENT SPECIFICATION | | WEIGHT | 160.0 POUNDS MINIMUM | | USAGE DESIGN | DRY |
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