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National Stock Number:
3020-00-391-9539
Federal Supply Class:
3020
National Item Identification Number:
003919539
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:
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Techincal Specification:
| BODY STYLE | WEBBED, OFFSET, WITH LIGHTENING HOLES | | BORE NOMINAL DIAMETER | 1.500 INCHES BOTH ENDS | | BORE STYLE | W/ KEYWAY BOTH ENDS | | FACE NOMINAL WIDTH | 1.125 INCHES | | HELIX ANGLE | 23.2319 DEGREES | | HUB NOMINAL DIAMETER | 2.250 INCHES FIRST END | | HUB NOMINAL DIAMETER | 2.500 INCHES SECOND END | | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | | KEYWAY NOMINAL WIDTH | 0.250 INCHES BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | PITCH DIAMETER | 8.2220 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 OVERALL | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.822 INCHES BOTH ENDS | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.313 INCHES FIRST END | | NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.063 INCHES SECOND END | | NOMINAL OUTSIDE DIAMETER | 8.441 INCHES | | PRESSURE ANGLE | 14.5000 DEGREES | | STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE RECESSED HUB | | TEETH QUANTITY | 68 | | TEETH TYPE | SINGLE HELIX | | TOOTH DIRECTION | RIGHT | | TOOTH FORM | STANDARD |
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