3020-01-013-3226 GEAR,SPUR Index 1680-01-013-3229 ACTUATOR,ELECTROMECHANICAL,ROTAR

National Stock Number:
3020-01-013-3228

Federal Supply Class:
3020

National Item Identification Number:
010133228

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:
2447327-119315HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS
2447327-155972HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS


Techincal Specification:
ATTACHMENT METHODCLAMP
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH0.114 INCHES FIRST END
FACE NOMINAL WIDTH0.064 INCHES
HUB NOMINAL DIAMETER0.187 INCHES FIRST END
HUB STYLE DESIGNATORSPLIT FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.145 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.290 INCHES
PITCH DIAMETER1.2708 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY122
TOOTH FORMSTANDARD


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