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National Stock Number:
3020-00-428-0347
Federal Supply Class:
3020
National Item Identification Number:
004280347
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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Techincal Specification:
| BODY STYLE | WEBBED, WITH LIGHTENING HOLES | | BORE NOMINAL DIAMETER | 1.498 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 1.251 INCHES | | HARDNESS RATING | 91.0 ROCKWELL B NOMINAL OVERALL | | HELIX ANGLE | 20.6433 DEGREES | | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | | HUB NOMINAL DIAMETER | 3.000 INCHES FIRST END | | HUB NOMINAL DIAMETER | 3.000 INCHES SECOND END | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A48,CLASS 30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON CAST UNS F12101 OVERALL | | NOMINAL OUTSIDE DIAMETER | 11.600 INCHES | | PITCH DIAMETER | 11.3450 INCHES MINIMUM AND 11.3480 INCHES MAXIMUM | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | TWO 9/32 IN. HOLES DRILLED1 IN. DEEP 180 DEG APART,LOCATED EQUAL DISTANCE FROM EACH ENDINSIDE OF BORE | | STYLE DESIGNATOR | FLUSH HUB | | TEETH QUANTITY | 85 | | TEETH TYPE | SINGLE HELIX | | TOOTH DIRECTION | LEFT | | TOOTH FORM | STANDARD |
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