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National Stock Number:
3020-01-273-2721
Federal Supply Class:
3020
National Item Identification Number:
012732721
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:
| 4847494 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY STYLE | SPOKED | | BORE NOMINAL DIAMETER | 3.500 INCHES BOTH ENDS | | BORE STYLE | W/ 2 KEYWAYS BOTH ENDS | | FACE NOMINAL WIDTH | 3.500 INCHES | | HELIX ANGLE | 15.0000 DEGREES | | HUB NOMINAL DIAMETER | 5.500 INCHES FIRST END | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | KEYWAY NOMINAL WIDTH | 0.754 INCHES BOTH ENDS | | MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OVERALL | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 2.092 INCHES BOTH ENDS | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.750 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 24.423 INCHES | | PITCH DIAMETER | 24.1564 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | KEYWAYS SPACED 90 DEG APART | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 140 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | LEFT |
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