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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 | PITCH DIAMETER | 4.3137 INCHES NOMINAL | PRESSURE ANGLE | 20.0000 DEGREES | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.160 INCHES FIRST END | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.482 INCHES BOTH ENDS | NOMINAL OVERALL LENGTH | 3.500 INCHES | NOMINAL OUTSIDE DIAMETER | 4.6470 INCHES | STYLE DESIGNATOR | PROTRUDING HUB | TEETH QUANTITY | 25 | TEETH TYPE | DOUBLE HELIX, SOLID | TOOTH DIRECTION | LEFT | TOOTH FORM | STANDARD |
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