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National Stock Number:
3020-00-138-2019
Federal Supply Class:
3020
National Item Identification Number:
001382019
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:
| A116297 | 79938 | EMERSON ELECTRIC CO U S ELECTRICAL MOTORS DIV |
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Techincal Specification:
| BODY STYLE | WEBBED, SOLID | | BORE NOMINAL DIAMETER | 1.813 INCHES BOTH ENDS | | BORE STYLE | W/ KEYWAY BOTH ENDS | | FACE NOMINAL WIDTH | 1.750 INCHES | | HARDNESS RATING | 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL | | HELIX ANGLE | 11.7165 DEGREES | | KEYWAY NOMINAL WIDTH | 0.250 INCHES BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI/SAE 4142 H ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | PITCH DIAMETER | 4.8511 INCHES NOMINAL | | MATERIAL | STEEL COMP 4142H OVERALL | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.032 INCHES BOTH ENDS | | NOMINAL OUTSIDE DIAMETER | 4.911 INCHES | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | FLUSH HUB | | TEETH QUANTITY | 76 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | LEFT |
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