3020-01-179-8071 GEAR,SPUR Index 3020-01-179-8073 GEAR,ANTIBACKLASH,SPUR

National Stock Number:
3020-01-179-8072

Federal Supply Class:
3020

National Item Identification Number:
011798072

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:
13211E871097403CECOM LR CENTER


Techincal Specification:
BODY STYLEWEBBED, SOLID
BORE NOMINAL DIAMETER2.855 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
END NOMINAL DIAMETER3.284 INCHES BOTH ENDS
END NOMINAL LENGTH0.970 INCHES SECOND END
END NOMINAL LENGTH1.151 INCHES FIRST END
FACE NOMINAL WIDTH1.750 INCHES
FIRST STEP NOMINAL DIAMETER3.850 INCHES BOTH ENDS
FIRST STEP NOMINAL LENGTH0.064 INCHES BOTH ENDS
HARDNESS RATING50.0 ROCKWELL C NOMINAL AND 63.0 ROCKWELL C NOMINAL OVERALL
HUB STYLE DESIGNATOR1 STEP BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
PITCH DIAMETER8.6000 INCHES NOMINAL
MATERIALSTEEL COMP 4620H AND STEEL COMP 8620H OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.000 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.250 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER9.000 INCHES
PRESSURE ANGLE25.0000 DEGREES
SPLINE PITCH DIAMETER2.6667 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY16 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY43
TOOTH FORMSTANDARD


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