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National Stock Number:
3020-00-391-0927
Federal Supply Class:
3020
National Item Identification Number:
003910927
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:
| 3300001 | 55380 | HATCH & KIRK, INC. | | 3300001 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV | | N29578PCA | 55380 | HATCH & KIRK, INC. | | N29978PCA | 55380 | HATCH & KIRK, INC. | | N29978PCA | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV | | N29578PCA | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |
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Techincal Specification:
| BODY STYLE | WEBBED, WITH LIGHTENING HOLES | | BORE NOMINAL DIAMETER | 2.0000 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | END NOMINAL DIAMETER | 2.997 INCHES BOTH ENDS | | END NOMINAL LENGTH | 1.375 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 2.000 INCHES | | FIRST STEP NOMINAL DIAMETER | 4.125 INCHES BOTH ENDS | | FIRST STEP NOMINAL LENGTH | 0.063 INCHES BOTH ENDS | | HARDNESS RATING | 10.0 ROCKWELL C MINIMUM AND 20.0 ROCKWELL C MAXIMUM OVERALL | | HELIX ANGLE | 27.3217 DEGREES | | HUB STYLE DESIGNATOR | 1 STEP BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.688 INCHES BOTH ENDS | | NOMINAL OUTSIDE DIAMETER | 11.084 INCHES | | PITCH DIAMETER | 10.8000 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | TWO COUNTERWEIGHTS,BOLTS,NUTS,OIL HOLES IN HUB,FIG 1 STAMPED BETWEEN TEETH ON SIDE OF GEAR 170 DEG 57 MIN CCW FROM UPPER CENTER LINE,FIG 4 STAMPED BETWEEN TEETH ON SIDE @OF GEAR 73 DEG @20 MIN CCW FROM FIG 1 | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 54 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | LEFT |
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