1025-00-550-7142 SHAFT Index 5950-00-550-7144 TRANSFORMER,POWER

National Stock Number:
3020-00-550-7143

Federal Supply Class:
3020

National Item Identification Number:
005507143

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.


Manufacturer Information:
550714319204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BACKLASH DESIGNATIONGRADE E
BODY STYLEWEBBED, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER12.875 INCHES AXIALLY THROUGH BODY, FIRST END
BOLT HOLE CIRCLE NOMINAL DIAMETER7.000 INCHES AXIALLY THROUGH BODY, SECOND END
BORE STYLEW/ 3 KEYWAYS BOTH ENDS
BORE NOMINAL DIAMETER3.812 INCHES BOTH ENDS
FACE NOMINAL WIDTH2.090 INCHES
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER5.375 INCHES SECOND END
HUB NOMINAL DIAMETER5.375 INCHES FIRST END
KEYWAY NOMINAL WIDTH0.748 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-11415 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MOUNTING HOLE NOMINAL THREAD SIZE0.190 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE0.190 INCHES AXIALLY THROUGH BODY, SECOND END
MOUNTING HOLE THREAD QUANTITY PER INCH32 AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNF AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNF AXIALLY THROUGH BODY, SECOND END
MOUNTING HOLE TYPE AND QUANTITY2 THREADED AXIALLY THROUGH BODY, SECOND END
MOUNTING HOLE TYPE AND QUANTITY8 THREADED AXIALLY THROUGH BODY, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END0.500 INCHES SECOND END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM2.226 INCHES BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.505 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER14.397 INCHES
NOMINAL OVERALL LENGTH2.995 INCHES
PITCH DIAMETER14.0000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORONE PROTRUDING HUB, ONE RECESSED HUB
SURFACE TREATMENTPHOSPHATE OVERALL
TEETH QUANTITY56
TOOTH FORMSTUB


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