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National Stock Number:
3020-00-200-2050
Federal Supply Class:
3020
National Item Identification Number:
002002050
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:
| 4B7785 | 11083 | CATERPILLAR INC | | 4B7785 | 79500 | WESTINGHOUSE ELECTRIC CORP |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 22.8 ROCKWELL C MINIMUM AND | | 29.9 ROCKWELL C MAXIMUM OVERALL | | TEETH QUANTITY | 28 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | RIGHT | | PRESSURE ANGLE | 20.0000 DEGREES | | HELIX ANGLE | 25.8581 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 3.1115 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 3.309 INCHES | | FACE NOMINAL WIDTH | 0.625 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.248 INCHES FIRST END | | BORE STYLE | W/ KEYWAY BOTH ENDS | | BORE NOMINAL DIAMETER | 1.499 INCHES BOTH ENDS | | KEYWAY NOMINAL WIDTH | 0.189 INCHES BOTH ENDS | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.847 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | HUB NOMINAL DIAMETER | 2.250 INCHES FIRST END | | BODY STYLE | PLAIN, SOLID | | SPECIAL FEATURES | TIMING MARK LETTER C ON TEETH 134 DEG 59MIN 53 SECCCW FROM TIMING MARK LETTER M BETWEEN TEETH ONCENTER LINE OF KEYWAY ON HUB END |
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