3040-00-689-3221 GEARSHAFT,SPUR Index 3020-00-689-3223 GEAR AY,PLANETARY

National Stock Number:
3020-00-689-3222

Federal Supply Class:
3020

National Item Identification Number:
006893222

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:
258424253711NAVAL SEA SYSTEMS COMMAND
258424280064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE STYLEINVOLUTE SPLINE BOTH ENDS
BORE NOMINAL DIAMETER1.757 INCHES BOTH ENDS
END NOMINAL DIAMETER2.363 INCHES FIRST END
END NOMINAL DIAMETER2.363 INCHES SECOND END
END NOMINAL LENGTH0.685 INCHES SECOND END
END NOMINAL LENGTH0.699 INCHES FIRST END
FACE NOMINAL WIDTH1.125 INCHES
FIRST STEP NOMINAL LENGTH0.313 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.313 INCHES SECOND END
FIRST STEP NOMINAL DIAMETER2.563 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER2.563 INCHES SECOND END
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM TEETH
HUB STYLE DESIGNATOR1 STEP BOTH ENDS
MATERIALSTEEL OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.340 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.855 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER12.995 INCHES
PITCH DIAMETER12.6667 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPLINE PITCH DIAMETER1.6667 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY20 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY76
TOOTH FORMSTANDARD


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