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National Stock Number:
3020-01-251-5881
Federal Supply Class:
3020
National Item Identification Number:
012515881
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:
| 5210313 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY STYLE | PLAIN, SOLID | | BORE STYLE | W/ KEYWAY BOTH ENDS | | BORE NOMINAL DIAMETER | 3.000 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 4.403 INCHES | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HELIX ANGLE | 18.9966 DEGREES | | KEYWAY NOMINAL WIDTH | 0.751 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 | 3.174 INCHES BOTH ENDS | | NOMINAL OUTSIDE DIAMETER | 8.630 INCHES | | PITCH DIAMETER | 8.2333 INCHES NOMINAL | | PRESSURE ANGLE | 25.0000 DEGREES | | STYLE DESIGNATOR | HUBLESS | | TEETH QUANTITY | 39 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | RIGHT |
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