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National Stock Number:
3020-00-275-8020
Federal Supply Class:
3020
National Item Identification Number:
002758020
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:
| 5193322 | 24617 | GENERAL MOTORS CORP | | 5193322 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC | | GR879 | 77873 | ROCKFORD POWERTRAIN INC |
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Techincal Specification:
| BODY STYLE | PLAIN, SOLID | | BORE NOMINAL DIAMETER | 2.500 INCHES BOTH ENDS | | BORE STYLE | W/ KEYWAY BOTH ENDS | | FACE NOMINAL WIDTH | 3.716 INCHES | | HARDNESS RATING | 20.3 ROCKWELL C MINIMUM AND 25.6 ROCKWELL C MAXIMUM BODY | | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM TEETH | | HELIX ANGLE | 15.0000 DEGREES | | HUB NOMINAL DIAMETER | 3.750 INCHES FIRST END | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | KEYWAY NOMINAL WIDTH | 0.502 INCHES BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.482 INCHES BOTH ENDS | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.160 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 4.6470 INCHES | | NOMINAL OVERALL LENGTH | 3.500 INCHES | | PITCH DIAMETER | 4.3137 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 25 | | TEETH TYPE | DOUBLE HELIX, SOLID | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | LEFT |
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