3020-01-266-4330 GEAR,SPUR Index 3020-01-266-4332 GEAR,ANTIBACKLASH,SPUR

National Stock Number:
3020-01-266-4331

Federal Supply Class:
3020

National Item Identification Number:
012664331

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:
4136432255DATRON SYSTEMS INC
4136482152FISICA APPLIED TECHNOLOGIES, INC.
41364-132255DATRON SYSTEMS INC
41364-182152FISICA APPLIED TECHNOLOGIES, INC.
P14-3-192-MOD00141ROLLER BEARING CO OF AMERICA, INC


Techincal Specification:
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH0.250 INCHES FIRST END
FACE NOMINAL WIDTH0.118 INCHES
HUB NOMINAL DIAMETER0.312 INCHES FIRST END
HUB STYLE DESIGNATORSPLIT FIRST END
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALSTEEL COMP 303 HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.287 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER3.031 INCHES
PITCH DIAMETER3.0000 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENTANODIZE BODY
SURFACE TREATMENTPASSIVATE HUB
TEETH QUANTITY192
TOOTH FORMSTANDARD


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