3020-01-352-9119 GEAR,WORM WHEEL Index 3020-01-352-9121 GEAR SECTOR,SPUR

National Stock Number:
3020-01-352-9120

Federal Supply Class:
3020

National Item Identification Number:
013529120

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:
4103301351SOUTHERN GEAR & MACHINE INC
4103332255DATRON SYSTEMS INC
41033-10132255DATRON SYSTEMS INC
41033-10182152L3 TECHNOLOGIES, INC.


Techincal Specification:
FACE NOMINAL WIDTH3.838 INCHES
HUB NOMINAL DIAMETER0.108 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIALALUMINUM ALLOY 2024 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.000 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER3.812 INCHES
PITCH DIAMETER3.6875 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY59


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