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National Stock Number:
3020-00-851-4716
Federal Supply Class:
3020
National Item Identification Number:
008514716
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:
| 1634410 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 4M9933 | 11083 | CATERPILLAR INC | | 4M9933 | 25496 | HOLT BROS |
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Techincal Specification:
| BODY STYLE | PLAIN, SOLID | | BORE NOMINAL DIAMETER | 2.566 INCHES BOTH ENDS | | BORE STYLE | W/ KEYWAY BOTH ENDS | | FACE NOMINAL WIDTH | 0.750 INCHES | | HARDNESS RATING | 77.0 ROCKWELL C MINIMUM AND 81.0 ROCKWELL C MAXIMUM OVERALL | | HELIX ANGLE | 17.7528 DEGREES | | HUB NOMINAL DIAMETER | 3.500 INCHES FIRST END | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | KEYWAY NOMINAL WIDTH | 0.189 INCHES BOTH ENDS | | PITCH DIAMETER | 4.2000 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.385 INCHES BOTH ENDS | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.314 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 4.400 INCHES | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | 45 DEG 3.156 IN. DIA COUNTERSINK IN BORE ON 1ST END,LETTER B STAMPED ON CENTER LINE OF TOOTH 73 DEG 5 MIN 54 SEC CCW FROM CENTER LINE OF KEYWAY,LETTER C STAMPED ON CENTERLINE OF TOOTH 130 DEG 54 MIN 6 SEC CW FROM CENTER LINE OF KEYWAY | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 40 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | LEFT |
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