3020-01-247-2643 GEAR,SPUR Index 3020-01-247-2645 GEAR SECTOR,SPUR

National Stock Number:
3020-01-247-2644

Federal Supply Class:
3020

National Item Identification Number:
012472644

Description:
GEAR,ANTIBACKLASH,SPUR

Detail:
An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.


Manufacturer Information:
19645524930L3HARRIS TECHNOLOGIES, INC
196455-124930L3HARRIS TECHNOLOGIES, INC


Techincal Specification:
BORE STYLESTRAIGHT SPLINE BOTH ENDS
BORE NOMINAL DIAMETER0.853 INCHES BOTH ENDS
END NOMINAL DIAMETER1.375 INCHES FIRST END
END NOMINAL LENGTH0.190 INCHES FIRST END
FACE NOMINAL WIDTH0.370 INCHES
FIRST STEP NOMINAL DIAMETER1.718 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.250 INCHES FIRST END
HUB STYLE DESIGNATOR1 STEP FIRST END
III MATERIALSTEEL CORROSION RESISTING OVERALL
PITCH DIAMETER5.9259 INCHES NOMINAL
PRESSURE ANGLE22.0833 DEGREES
PROPRIETARY CHARACTERISTICSPACS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.440 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER6.368 INCHES
SPLINE QUANTITY18 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY24
TOOTH FORMSTANDARD


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