NSN 3820-00-290-4991

Part Details | PAVING BREAKER

3820-00-290-4991 A powered hand tool used for clay digging, breaking frozen ground, demolition of concrete paving, and the like. The unit has a non-rotating chuck through which a piston, or any other percussion system, imparts hammer-like blows to various types of accessories such as chisels, spades, picks, backfill tamping pads, and frost wedges. When provided with certain attachments, the unit may also be used as a sheeting and piling driver, drift bolt driver, or spike driver. See also DRILL, PNEUMATIC, DRIFTER; and DRILL, PNEUMATIC, SINKER.

Alternate Parts: W14, W14, MILB385, 3820-00-290-4991, 00-290-4991, 3820002904991, 002904991

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
38JAN 01, 196300-290-499113600 ( BREAKER, PAVING )
REFERENCE DRAWINGS & PICTURES

STRAIGHT HEXAGON

BREAKER,PAVING | 3820-00-290-4991, 002904991

CLOSED-D END

BREAKER,PAVING | 3820-00-290-4991, 002904991
Cross Reference | NSN 3820-00-290-4991
Part Number Cage Code Manufacturer
W140UBG9CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
W1493232CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
MILB38581349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 3820-00-290-4991
Characteristic Specifications
PRIME MOVER TYPE PNEUMATIC MOTOR
HANDLE STYLE CLOSED-D END
ACCESSORY COMPONENTS DEMOLITION TOOL CHUCK
TOOL RETAINER TYPEDD ANY ACCEPTABLE
SHANK STYLE STRAIGHT HEXAGON
WIDTH ACROSS FLATS0.875 INCHES NOMINAL
SHANK OVERALL LENGTH2.750 INCHES NOMINAL
WEIGHTPA25.0
CONVERSION FEATURE FOR SINKER DRILL OPERATION NOT INCLUDED
NONDEFINITIVE SPEC/STD DATA1 TYPE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSPAC AAZF