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National Stock Number:
3020-00-123-0208
Federal Supply Class:
3020
National Item Identification Number:
001230208
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:
| 10949829 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BODY STYLE | WEBBED, SOLID | | BORE NOMINAL DIAMETER | 1.3750 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | END NOMINAL DIAMETER | 1.969 INCHES BOTH ENDS | | END NOMINAL LENGTH | 0.937 INCHES FIRST END | | END NOMINAL LENGTH | 1.045 INCHES SECOND END | | FACE NOMINAL WIDTH | 1.000 INCHES | | FIRST STEP NOMINAL DIAMETER | 2.063 INCHES SECOND END | | FIRST STEP NOMINAL DIAMETER | 2.375 INCHES FIRST END | | FIRST STEP NOMINAL LENGTH | 0.344 INCHES SECOND END | | FIRST STEP NOMINAL LENGTH | 0.703 INCHES FIRST END | | HARDNESS RATING | 80.0 ROCKWELL A MINIMUM AND 83.0 ROCKWELL A MAXIMUM TEETH | | HELIX ANGLE | 17.9386 DEGREES | | HUB STYLE DESIGNATOR | 1 STEP FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | S-46172 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 8615 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.122 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.296 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 7.933 INCHES | | NOMINAL OVERALL LENGTH | 3.438 INCHES | | PITCH DIAMETER | 7.7956 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH TYPE | SINGLE HELIX | | TEETH QUANTITY | 89 | | TOOTH FORM | STUB | | TOOTH DIRECTION | LEFT |
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