3020-00-781-7163 PULLEY,GROOVE Index 5905-00-781-7167 RESISTOR,VARIABLE,WIRE WOUND,PRE

National Stock Number:
3020-00-781-7165

Federal Supply Class:
3020

National Item Identification Number:
007817165

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:
AB96H11C120F7A08783RAYTHEON CO
E61819108783RAYTHEON CO


Techincal Specification:
BACKLASH DESIGNATIONGRADE C
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH0.205 INCHES FIRST END
FACE NOMINAL WIDTH0.115 INCHES
HUB NOMINAL DIAMETER0.313 INCHES FIRST END
HUB STYLE DESIGNATORSPLIT FIRST END
MATERIALALUMINUM ALLOY 2024 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.205 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.2708 INCHES
NOMINAL OVERALL LENGTH0.320 INCHES
PITCH DIAMETER1.2500 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 12
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENTANODIZE OVERALL
TEETH QUANTITY120
TOOTH FORMSTANDARD


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