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National Stock Number:
3020-00-378-1644
Federal Supply Class:
3020
National Item Identification Number:
003781644
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:
| 3220873 | 55380 | HATCH & KIRK, INC. | | 3220873 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |
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Techincal Specification:
| BODY STYLE | WEBBED, SOLID | | BORE NOMINAL DIAMETER | 1.275 INCHES BOTH ENDS | | BORE STYLE | STRAIGHT SPLINE BOTH ENDS | | COUNTERBORE NOMINAL DIAMETER | 0.281 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 1.750 INCHES | | HARDNESS RATING | 89.0 ROCKWELL B MINIMUM AND 94.0 ROCKWELL B MAXIMUM OVERALL | | HELIX ANGLE | 25.8167 DEGREES | | HUB STYLE DESIGNATOR | 1 STEP BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | PITCH DIAMETER | 7.0000 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.812 INCHES BOTH ENDS | | NOMINAL OVERALL LENGTH | 3.375 INCHES | | NOMINAL OUTSIDE DIAMETER | 7.2500 INCHES | | PRESSURE ANGLE | 14.5000 DEGREES | | SPLINE QUANTITY | 6 BOTH ENDS | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 56 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | LEFT |
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