3020-01-016-8016 GEAR,HELICAL Index 2920-01-016-8018 ARMATURE,MOTOR

National Stock Number:
3020-01-016-8017

Federal Supply Class:
3020

National Item Identification Number:
010168017

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:
900-006632908MALWIN ELECTRONICS CORP.
900-0066-2832908MALWIN ELECTRONICS CORP.
900-0066-2850538C AND L PRECISION CO INC


Techincal Specification:
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH0.125 INCHES
HUB NOMINAL DIAMETER0.187 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.187 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER0.2708 INCHES
PITCH DIAMETER0.2500 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY24
TOOTH FORMSTANDARD


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