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National Stock Number:
3020-00-245-8315
Federal Supply Class:
3020
National Item Identification Number:
002458315
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:
| 3237517 | 55380 | HATCH & KIRK, INC. | | 3237517 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 10.0 ROCKWELL C MINIMUM AND | | 16.0 ROCKWELL C MAXIMUM OVERALL | | TEETH QUANTITY | 34 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | RIGHT | | PRESSURE ANGLE | 20.0000 DEGREES | | HELIX ANGLE | 27.3217 DEGREES | | STYLE DESIGNATOR | CONE SHAPE BODY, PROTRUDING HUB, RECESSED HUB | | PITCH DIAMETER | 6.8000 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 7.0849 INCHES | | FACE NOMINAL WIDTH | 1.000 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.375 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 1.1562 INCHES FIRST END | | BORE STYLE | W/ KEYWAY BOTH ENDS | | BORE NOMINAL DIAMETER | 0.8753 INCHES FIRST END | | KEYWAY NOMINAL WIDTH | 0.1853 INCHES FIRST END | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.5235 INCHES FIRST END | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | HUB NOMINAL DIAMETER | 1.750 INCHES FIRST END | | END NOMINAL LENGTH | 0.625 INCHES FIRST END | | END NOMINAL DIAMETER | 1.3768 INCHES FIRST END | | FIRST STEP NOMINAL LENGTH | 1.375 INCHES FIRST END | | FIRST STEP NOMINAL DIAMETER | 1.7500 INCHES SECOND END | | BODY STYLE | WEBBED, OFFSET, SOLID | | SPECIAL FEATURES | 3/64 IN. BY 45 DEG CHAMFER ON 1ST END |
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