6685-00-177-6351 SCALE Index 4720-00-177-6355 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
3020-00-177-6353

Federal Supply Class:
3020

National Item Identification Number:
001776353

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:
460-132-00126055PARKER-HANNIFIN CORPORATION
460-132-00159211PARKER-HANNIFIN CORPORATION


Techincal Specification:
ATTACHMENT METHODCLAMP
BORE NOMINAL DIAMETER0.120 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH0.141 INCHES FIRST END
FACE NOMINAL WIDTH0.054 INCHES
HUB NOMINAL DIAMETER0.156 INCHES FIRST END
HUB STYLE DESIGNATORSPLIT FIRST END
MATERIALALUMINUM ALLOY 2024 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.154 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER0.557 INCHES
PITCH DIAMETER0.5402 INCHES MINIMUM AND 0.5417 INCHES MAXIMUM
PRECISION CLASSIFICATIONQUALITY NUMBER 9
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL
TEETH QUANTITY65
TOOTH FORMSTANDARD


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