3020-00-294-8556 GEAR,SPUR Index 3020-00-294-8574 GEAR,SPUR

National Stock Number:
3020-00-294-8573

Federal Supply Class:
3020

National Item Identification Number:
002948573

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:
A531261208TWIN DISC, INCORPORATED


Techincal Specification:
MATERIALSTEEL COMP 4615 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66,AISI/SAE 4615 FED STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING59.0 ROCKWELL C MINIMUM AND
62.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY55
TOOTH FORMSTANDARD
PRESSURE ANGLE17.5000 DEGREES
STYLE DESIGNATORONE PROTRUDING HUB, ONE FLUSH HUB
PITCH DIAMETER9.4176 INCHES NOMINAL
NOMINAL OVERALL LENGTH3.500 INCHES
NOMINAL OUTSIDE DIAMETER9.750 INCHES
FACE NOMINAL WIDTH2.562 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.938 INCHES FIRST END
BORE STYLETAPERED W/KEYWAY FIRST END
KEYWAY NOMINAL WIDTH0.500 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.500 INCHES BOTH ENDS
TAPER MAJOR NOMINAL DIAMETER2.498 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER3.125 INCHES FIRST END
3.625 INCHES SECOND END
BODY STYLEWEBBED, WITH LIGHTENING HOLES


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