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		                        | National Stock Number:
 3020-00-200-1472
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 002001472
 
 Description:
 GEAR,HELICAL
 
 Detail:
 A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:
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 Manufacturer Information:
 
 | 261220R1 | 0SAT8 | KOMATSU AMERICA CORP. |  | 261220R1 | 29510 | KOMATSU AMERICAN INTL CO |  | 261220R1 | 92679 | NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ | 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, OFFSET, SOLID |  | BORE NOMINAL DIAMETER | 0.751 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | FACE NOMINAL WIDTH | 0.750 INCHES |  | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM  AND 37.0 ROCKWELL C MAXIMUM OVERALL |  | HELIX ANGLE | 33.0000 DEGREES |  | HUB NOMINAL DIAMETER | 1.250 INCHES FIRST END |  | HUB STYLE DESIGNATOR | PLAIN FIRST END |  | KEYWAY NOMINAL WIDTH | 0.127 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL COMP 1040 OVERALL |  | PITCH DIAMETER | 3.2193 INCHES NOMINAL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.440 INCHES BOTH ENDS |  | NOMINAL OUTSIDE DIAMETER | 3.420 INCHES |  | PRESSURE ANGLE | 14.5000 DEGREES |  | STYLE DESIGNATOR | HUBLESS |  | TEETH QUANTITY | 27 |  | TEETH TYPE | SINGLE HELIX |  | SPECIAL FEATURES | TIMING MARK UNDER CENTER LINE OF 2ND TOOTH FROM CENTER LINE OF KEYWAY ON FACE OF GEAR,TOOTH ON SIDE OPPOSITE PUNCH MARK @CHAMFERED 1/16 IN. BY 45 DEG |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STANDARD | 
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