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National Stock Number:
3020-00-849-3252
Federal Supply Class:
3020
National Item Identification Number:
008493252
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:
| AD1-20 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | H48S28L20 | 29440 | W. M. BERG INC | | HG73 | 23266 | SECS, INC. |
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Techincal Specification:
| BODY STYLE | PLAIN, SOLID | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.250 INCHES 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 | PINNED FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303S AND STEEL COMP 303SE OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 0.630 INCHES | | PITCH DIAMETER | 0.5882 INCHES MINIMUM AND 0.5892 INCHES MAXIMUM | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | ONE SETSCREW FURNISHED | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 20 | | TEETH TYPE | SINGLE HELIX | | TOOTH DIRECTION | LEFT | | TOOTH FORM | STANDARD |
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