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National Stock Number:
3020-00-247-9001
Federal Supply Class:
3020
National Item Identification Number:
002479001
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:
| 3213554 | 55380 | HATCH & KIRK, INC. | | 3213554 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,CLASS C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 91.0 ROCKWELL C NOMINAL OVERALL | | TEETH QUANTITY | 37 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | RIGHT | | PRESSURE ANGLE | 20.0000 DEGREES | | HELIX ANGLE | 14.9167 DEGREES | | STYLE DESIGNATOR | RECESSED HUBS | | PITCH DIAMETER | 7.4000 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 7.6835 INCHES | | FACE NOMINAL WIDTH | 3.000 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.250 INCHES FIRST END | | BORE STYLE | W/ KEYWAY BOTH ENDS | | BORE NOMINAL DIAMETER | 3.125 INCHES FIRST END | | KEYWAY NOMINAL WIDTH | 0.749 INCHES FIRST END | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.7739 INCHES FIRST END | | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | | HUB NOMINAL DIAMETER | 4.500 INCHES FIRST END | | 4.500 INCHES SECOND END | | BODY STYLE | WEBBED, SOLID |
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