3020-00-542-4070 GEAR,SPUR Index 3020-00-542-4072 GEAR,SPUR

National Stock Number:
3020-00-542-4071

Federal Supply Class:
3020

National Item Identification Number:
005424071

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:
7211624930L3HARRIS TECHNOLOGIES, INC


Techincal Specification:
BACKLASH DESIGNATIONGRADE B
BODY STYLEPLAIN, SOLID
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER3.6255 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.250 INCHES
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM HUB
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM TEETH
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER4.1900 INCHES FIRST END
KEYWAY NOMINAL WIDTH0.1255 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.8755 INCHES BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.1255 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER5.5395 INCHES
PITCH DIAMETER5.5000 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 9
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY264
TOOTH FORMSTANDARD


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