3020-00-869-8430 GEAR,SPLIT HUB Index 5945-00-869-8432 CONTACT SET,RELAY

National Stock Number:
3020-00-869-8431

Federal Supply Class:
3020

National Item Identification Number:
008698431

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:
510-1-10407421L3HARRIS INTERSTATE ELECTRONICS CORPORATION


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 BODY
STEEL COMP 302 HUB
ALUMINUM ALLOY 2024 TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB
QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE TEETH
SURFACE TREATMENTANODIZE BODY
PASSIVATE HUB
ANODIZE TEETH
TEETH QUANTITY130
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER1.3540 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER1.371 INCHES
FACE NOMINAL WIDTH0.250 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.188 INCHES FIRST END
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL DIAMETER0.188 INCHES FIRST END
ATTACHMENT METHODCLAMP
THE MANUFACTURERS DATA
MANUFACTURERS CODE07421
DESIGN CONTROL REFERENCE510-1-104


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