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National Stock Number:
3020-01-387-4846
Federal Supply Class:
3020
National Item Identification Number:
013874846
Description:
GEAR,SPUR
Detail:
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.
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Manufacturer Information:
| 19456 | 61551 | SYCON CORP STARTMASTER DIV |
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Techincal Specification:
| MATERIAL | STEEL COMP 4140 OR | | STEEL COMP 41L40 OVERALL | | HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND | | 55.0 ROCKWELL C MAXIMUM OVERALL | | TEETH QUANTITY | 51 | | PRESSURE ANGLE | 20.0000 DEGREES | | PRECISION CLASSIFICATION | QUALITY NUMBER 9 | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 4.2500 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 4.414 INCHES | | FACE NOMINAL WIDTH | 0.975 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.768 INCHES FIRST END | | BORE STYLE | W/ KEYWAY BOTH ENDS | | W/STEPPED COUNTERBORE SECOND END | | BORE NOMINAL DIAMETER | 1.180 INCHES BOTH ENDS | | KEYWAY NOMINAL WIDTH | 0.376 INCHES BOTH ENDS | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.759 INCHES BOTH ENDS | | COUNTERBORE NOMINAL DEPTH | 0.397 INCHES FIRST COUNTERBORE, SECOND END | | 0.008 INCHES SECOND COUNTERBORE, SECOND END | | COUNTERBORE NOMINAL DIAMETER | 2.250 INCHES FIRST COUNTERBORE, SECOND END | | 2.000 INCHES SECOND COUNTERBORE, SECOND END | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | HUB NOMINAL DIAMETER | 2.020 INCHES FIRST END | | BODY STYLE | PLAIN, SOLID |
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