3020-01-105-7414 GEAR,SPUR Index 5998-01-105-7421 CIRCUIT CARD ASSEMBLY

National Stock Number:
3020-01-105-7416

Federal Supply Class:
3020

National Item Identification Number:
011057416

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:
542818353711NAVAL SEA SYSTEMS COMMAND
542818453711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3,T8510 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORHUBLESS
PITCH DIAMETER1.7190 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER1.7500 INCHES
FACE NOMINAL WIDTH0.104 INCHES
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.564 INCHES BOTH ENDS
ATTACHMENT METHODMOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY2 PLAIN TRANSVERSELY THROUGH FACE
MOUNTING HOLE NOMINAL DIAMETER0.091 INCHES TRANSVERSELY THROUGH FACE
THE MANUFACTURERS DATA
MANUFACTURERS CODE53711
DESIGN CONTROL REFERENCE5428184


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