3020-01-034-6523 GEAR,SPUR Index 3020-01-034-6525 GEAR,ANTIBACKLASH,SPUR

National Stock Number:
3020-01-034-6524

Federal Supply Class:
3020

National Item Identification Number:
010346524

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:
SM-F-71527580063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
ATTACHMENT METHODCLAMP
BACKLASH DESIGNATIONGRADE E
FACE NOMINAL WIDTH0.1400 INCHES
NOMINAL OVERALL LENGTH0.7500 INCHES
NOMINAL OUTSIDE DIAMETER4.0310 INCHES
PITCH DIAMETER4.0000 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 12
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY256
TOOTH FORMSTANDARD


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