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National Stock Number:
3020-00-003-1354
Federal Supply Class:
3020
National Item Identification Number:
000031354
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:
| 1539571 | 05869 | RAYTHEON COMPANY |
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Techincal Specification:
| ATTACHMENT METHOD | MOUNTING HOLE | | BODY STYLE | WEBBED, SOLID | | BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.220 INCHES AXIALLY THROUGH BODY, FIRST END | | BORE NOMINAL DIAMETER | 1.501 INCHES BOTH ENDS | | BORE STYLE | INVOLUTE SPLINE BOTH ENDS | | FACE NOMINAL WIDTH | 0.700 INCHES | | HARDNESS RATING | 42.0 ROCKWELL C MAXIMUM HUB | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM TEETH | | HELIX ANGLE | 20.0000 DEGREES | | HUB NOMINAL DIAMETER | 2.125 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7493,COMP 4620 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4620 OVERALL | | MOUNTING HOLE NOMINAL DIAMETER | 0.625 INCHES AXIALLY THROUGH BODY, FIRST END | | MOUNTING HOLE TYPE AND QUANTITY | 3 PLAIN AXIALLY THROUGH BODY, FIRST END | | NOMINAL OUTSIDE DIAMETER | 5.112 INCHES | | PITCH DIAMETER | 4.9883 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | PRESSURE ANGLE | 20.0000 DEGREES | | SPLINE QUANTITY | 23 BOTH ENDS | | SPLINE PITCH DIAMETER | 1.4375 INCHES NOMINAL BOTH ENDS | | STYLE DESIGNATOR | FLUSH HUB | | TEETH QUANTITY | 75 | | TEETH TYPE | SINGLE HELIX | | TOOTH DIRECTION | LEFT | | TOOTH FORM | STANDARD |
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