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National Stock Number:
3020-00-350-6914
Federal Supply Class:
3020
National Item Identification Number:
003506914
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:
| 5638131 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BODY STYLE | WEBBED, OFFSET, SOLID | | BORE STYLE | INVOLUTE SPLINE BOTH ENDS | | COUNTERBORE NOMINAL DIAMETER | 2.8750 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 1.875 INCHES | | HARDNESS RATING | 57.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL | | HELIX ANGLE | 23.0000 DEGREES | | HUB NOMINAL DIAMETER | 3.250 INCHES FIRST END | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4320 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4320 OVERALL | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 2.752 INCHES BOTH ENDS | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.656 INCHES SECOND END | | NOMINAL OVERALL LENGTH | 3.781 INCHES | | NOMINAL OUTSIDE DIAMETER | 7.581 INCHES | | PITCH DIAMETER | 7.3333 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | HUB STYLE DESIGNATOR SECOND END STYLE 10; SPLINE MINOR DIA. 2.415 IN. | | SPLINE PITCH DIAMETER | 2.6250 INCHES NOMINAL BOTH ENDS | | SPLINE PITCH DIAMETER | 4.3333 INCHES NOMINAL FIRST END | | SPLINE QUANTITY | 16 BOTH ENDS | | SPLINE QUANTITY | 26 SECOND END | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 44 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | RIGHT |
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