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National Stock Number:
3020-00-428-0348
Federal Supply Class:
3020
National Item Identification Number:
004280348
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 | 1.750 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 1.000 INCHES | | HARDNESS RATING | 91.0 ROCKWELL B NOMINAL OVERALL | | HELIX ANGLE | 21.0400 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 DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 9.617 INCHES | | PITCH DIAMETER | 9.3650 INCHES MINIMUM AND 9.3680 INCHES MAXIMUM | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB | | TEETH QUANTITY | 70 | | TEETH TYPE | SINGLE HELIX | | TOOTH DIRECTION | RIGHT | | TOOTH FORM | STANDARD |
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