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National Stock Number:
3020-00-468-3171
Federal Supply Class:
3020
National Item Identification Number:
004683171
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:
| 1012 | 12763 | DYNALEC CORPORATION | | 1012 | 20049 | THE ELECTRIC TACHOMETER CORP. | | 2162L3PC50 | 12763 | DYNALEC CORPORATION | | 2162L3PC50 | 20049 | THE ELECTRIC TACHOMETER CORP. | | DD692S6505-21PC50 | 53711 | NAVAL SEA SYSTEMS COMMAND | | DD692S6505-21PC50 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | TEETH QUANTITY | 30 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | RIGHT | | PRESSURE ANGLE | 14.5000 DEGREES | | HELIX ANGLE | 6.3333 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY | | PITCH DIAMETER | 1.8750 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 2.0000 INCHES | | FACE NOMINAL WIDTH | 0.500 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.750 INCHES FIRST END | | BODY RECESS NOMINAL DEPTH | 0.062 INCHES SECOND END | | BORE STYLE | W/ KEYWAY BOTH ENDS | | BORE NOMINAL DIAMETER | 0.500 INCHES BOTH ENDS | | KEYWAY NOMINAL WIDTH | 0.094 INCHES BOTH ENDS | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.328 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | HUB NOMINAL DIAMETER | 0.812 INCHES FIRST END | | BODY STYLE | WEBBED, OFFSET, WITH LIGHTENING HOLES |
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