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National Stock Number:
3020-00-391-0924
Federal Supply Class:
3020
National Item Identification Number:
003910924
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:
| 3239091 | 55380 | HATCH & KIRK, INC. | | 3239091 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |
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Techincal Specification:
| ATTACHMENT METHOD | MOUNTING HOLE | | BODY STYLE | WEBBED, WITH LIGHTENING HOLES | | BORE NOMINAL DIAMETER | 3.000 INCHES BOTH ENDS | | BORE STYLE | W/ KEYWAY BOTH ENDS | | FACE NOMINAL WIDTH | 2.500 INCHES | | HARDNESS RATING | 10.0 ROCKWELL C MINIMUM AND 20.0 ROCKWELL C MAXIMUM OVERALL | | HELIX ANGLE | 14.9167 DEGREES | | HUB NOMINAL DIAMETER | 4.500 INCHES FIRST END | | HUB NOMINAL DIAMETER | 4.500 INCHES SECOND END | | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | | KEYWAY NOMINAL WIDTH | 0.377 INCHES BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1035 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1035 OVERALL | | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END | | MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END | | MOUNTING HOLE NOMINAL THREAD SIZE | 0.500 INCHES TRANSVERSELY THROUGH HUB, FIRST END | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.696 INCHES BOTH ENDS | | NOMINAL OUTSIDE DIAMETER | 16.043 INCHES | | PITCH DIAMETER | 16.0000 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | FIG 1 STAMPED ON SIDE OF GEAR FACE ON CENTER LINE OF TOOTH SPACE,LOWER VERTICAL CENTER LINE,FIG 2 STAMPED ON SIDE @OF GEAR FACE ON CENTER LINE OF TOOTH SPACE 171 DEG CCW FROM FIG 1 | | STYLE DESIGNATOR | FLUSH HUB | | TEETH QUANTITY | 80 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STUB | | TOOTH DIRECTION | LEFT |
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