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National Stock Number:
3020-00-294-7777
Federal Supply Class:
3020
National Item Identification Number:
002947777
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:
| 1837 | 58265 | STRUTHERS WELLS CORP | | 315841PC285 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | HARDNESS RATING | 96.0 ROCKWELL C MINIMUM AND | | 100.0 ROCKWELL C MAXIMUM HUB | | TEETH QUANTITY | 59 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | RIGHT | | PRESSURE ANGLE | 25.0000 DEGREES | | HELIX ANGLE | 23.0000 DEGREES | | STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB | | PITCH DIAMETER | 14.7500 INCHES NOMINAL | | NOMINAL OVERALL LENGTH | 7.000 INCHES | | NOMINAL OUTSIDE DIAMETER | 15.2100 INCHES | | FACE NOMINAL WIDTH | 5.000 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 2.000 INCHES FIRST END | | BORE STYLE | W/ KEYWAY BOTH ENDS | | BORE NOMINAL DIAMETER | 3.751 INCHES BOTH ENDS | | KEYWAY NOMINAL WIDTH | 0.875 INCHES BOTH ENDS | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 2.438 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | | HUB NOMINAL DIAMETER | 6.750 INCHES FIRST END | | BODY STYLE | WEBBED, OFFSET, SOLID | | SPECIAL FEATURES | 1/2 IN. 45 DEG CHAMFER AT FIRST END OF BORE |
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