3020-00-184-9239 GEAR,SPUR Index 4730-00-184-9247 COUPLING,TUBE

National Stock Number:
3020-00-184-9245

Federal Supply Class:
3020

National Item Identification Number:
001849245

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:
258765980064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE STYLEINVOLUTE SPLINE BOTH ENDS
BORE NOMINAL DIAMETER1.423 INCHES BOTH ENDS
END NOMINAL DIAMETER1.969 INCHES BOTH ENDS
END NOMINAL LENGTH0.730 INCHES SECOND END
END NOMINAL LENGTH0.772 INCHES FIRST END
FACE NOMINAL WIDTH1.125 INCHES
FIRST STEP NOMINAL DIAMETER2.190 INCHES BOTH ENDS
FIRST STEP NOMINAL LENGTH0.313 INCHES SECOND END
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM TEETH
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM HUB
HUB STYLE DESIGNATOR1 STEP BOTH ENDS
MATERIALSTEEL OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.043 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.272 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER3.220 INCHES
PITCH DIAMETER2.8333 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESCOUNTERBORE SECOND END,DIA. 1.440 IN. NOMINAL,DEPTH 1.820 IN. NOMINAL
SPLINE PITCH DIAMETER1.3333 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY16 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY17
TOOTH FORMSTANDARD


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