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National Stock Number:
3020-00-239-3859
Federal Supply Class:
3020
National Item Identification Number:
002393859
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:
| B4279 | 16603 | CONTROL FLOW, INC. | | B4279 | 97578 | TIMKEN GEARS & SERVICES INC. |
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Techincal Specification:
| BODY STYLE | PLAIN, SOLID | | BORE NOMINAL DIAMETER | 3.4980 INCHES BOTH ENDS | | BORE STYLE | W/ 2 KEYWAYS BOTH ENDS | | FACE NOMINAL WIDTH | 2.500 INCHES | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | HUB NOMINAL DIAMETER | 5.000 INCHES FIRST END | | KEYWAY NOMINAL WIDTH | 0.875 INCHES BOTH ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.125 INCHES FIRST END | | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 2.2170 INCHES BOTH ENDS | | NOMINAL OUTSIDE DIAMETER | 7.9000 INCHES | | PITCH DIAMETER | 7.5000 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | KEYWAYS IN BORE ARE 90.0 DEG APART | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 30 | | TOOTH FORM | STANDARD |
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