3020-01-143-1498 GEAR CLUSTER Index 3020-01-143-1500 GEAR SECTOR,SPUR

National Stock Number:
3020-01-143-1499

Federal Supply Class:
3020

National Item Identification Number:
011431499

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:
3226709344ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS
32267-109344ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS


Techincal Specification:
MATERIALSTEEL COMP 303 BODY
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE OVERALL
TEETH QUANTITY158
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 10
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER2.1934 INCHES MINIMUM AND
2.1944 INCHES MAXIMUM
NOMINAL OUTSIDE DIAMETER2.2222 INCHES
FACE NOMINAL WIDTH0.125 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.250 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.090 INCHES BOTH ENDS
HUB STYLE DESIGNATORPINNED FIRST END
HUB NOMINAL DIAMETER0.375 INCHES FIRST END


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