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National Stock Number:
3020-00-136-1204
Federal Supply Class:
3020
National Item Identification Number:
001361204
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:
| 11643982 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE | | 11643982 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| ATTACHMENT METHOD | MOUNTING HOLE | | BODY STYLE | WEBBED, OFFSET, SOLID | | BOLT HOLE CIRCLE NOMINAL DIAMETER | 2.375 INCHES AXIALLY THROUGH BODY, FIRST END | | BORE NOMINAL DIAMETER | 1.318 INCHES BOTH ENDS | | BORE STYLE | INVOLUTE SPLINE BOTH ENDS | | COUNTERBORE NOMINAL DIAMETER | 1.810 INCHES SECOND END | | COUNTERBORE NOMINAL DEPTH | 0.253 INCHES SECOND END | | FACE NOMINAL WIDTH | 0.500 INCHES | | HARDNESS RATING | 48.0 ROCKWELL C NOMINAL OVERALL | | HUB NOMINAL DIAMETER | 1.620 INCHES FIRST END | | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | | MATERIAL | STEEL OVERALL | | MOUNTING HOLE NOMINAL DIAMETER | 0.250 INCHES AXIALLY THROUGH BODY, FIRST END | | MOUNTING HOLE TYPE AND QUANTITY | 3 PLAIN AXIALLY THROUGH BODY, FIRST END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.078 INCHES SECOND END | | NOMINAL OVERALL LENGTH | 0.690 INCHES | | NOMINAL OUTSIDE DIAMETER | 4.259 INCHES | | SPECIAL FEATURES | 32 MICROINCH AA SURFACE FINISH,GEAR FACE SECOND END,GEAR TEETH,SPLINED BORE,63 MICROINCH AA FINISH ONHUB OD SECOND END,RECESSED GEAR FACE ON FIRST END,3.000 IN. DIA,0.062 IN. MIN TO 0.067 IN. MAX DEPTH,GEAR FACE OD FIRST END CHAMFERED,0.060 IN.LG,45 DEG. | | PITCH DIAMETER | 4.1000 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 9 | | PRESSURE ANGLE | 20.0000 DEGREES | | SPLINE PITCH DIAMETER | 1.2500 INCHES NOMINAL BOTH ENDS | | SPLINE QUANTITY | 20 BOTH ENDS | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 41 | | TOOTH FORM | STUB |
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