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National Stock Number:
3020-01-251-5885
Federal Supply Class:
3020
National Item Identification Number:
012515885
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:
| 5210198 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY STYLE | PLAIN, SOLID | | BORE STYLE | W/ KEYWAY BOTH ENDS | | BORE NOMINAL DIAMETER | 4.251 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 4.800 INCHES | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HELIX ANGLE | 17.9960 DEGREES | | HUB NOMINAL DIAMETER | 6.300 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | | KEYWAY NOMINAL WIDTH | 1.001 INCHES BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4340 OVERALL | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 2.591 INCHES BOTH ENDS | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.800 INCHES BOTH ENDS | | NOMINAL OUTSIDE DIAMETER | 7.584 INCHES | | PITCH DIAMETER | 7.0856 INCHES NOMINAL | | PRESSURE ANGLE | 25.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 27 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | LEFT |
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