9905-00-706-5489 TAG,STOCK MARKING Index 3020-00-706-5491 GEAR,ANTIBACKLASH,SPUR

National Stock Number:
3020-00-706-5490

Federal Supply Class:
3020

National Item Identification Number:
007065490

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:
361614-300752L3HARRIS TECHNOLOGIES, INC.
DP133T16029964ALLIED DEVICES CORP DBA ABSOLUTE PRECISION CO
P13-3-16000141ROLLER BEARING CO OF AMERICA, INC


Techincal Specification:
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.187 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.104 INCHES
HUB NOMINAL DIAMETER0.370 INCHES FIRST END
HUB STYLE DESIGNATORPINNED FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALSTEEL COMP 303 HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.281 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER2.530 INCHES
NOMINAL OVERALL LENGTH0.385 INCHES
PITCH DIAMETER2.4990 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENTANODIZE BODY
SURFACE TREATMENTPASSIVATE HUB
TEETH QUANTITY160
TOOTH FORMSTANDARD


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