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National Stock Number:
3020-00-839-3245
Federal Supply Class:
3020
National Item Identification Number:
008393245
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:
| HJ30 | 00328 | DESIGNATRONICS INCORPORATED | | HJ30 | 57533 | STEEGO CORP |
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Techincal Specification:
| ATTACHMENT METHOD | MOUNTING HOLE | | BODY STYLE | PLAIN, SOLID | | BORE NOMINAL DIAMETER | 0.2500 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.187 INCHES | | HARDNESS RATING | 75.0 ROCKWELL B MINIMUM AND 83.0 ROCKWELL B MAXIMUM OVERALL | | HELIX ANGLE | 45.0000 DEGREES | | HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 INCHES TRANSVERSELY THROUGH HUB FIRST END | | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END | | MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 0.9250 INCHES | | PITCH DIAMETER | 0.8840 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 30 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | LEFT |
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