3020-01-096-1688 GEAR,SPUR Index 5962-01-096-1692 MICROCIRCUIT,LINEAR

National Stock Number:
3020-01-096-1689

Federal Supply Class:
3020

National Item Identification Number:
010961689

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:
752108001351SOUTHERN GEAR & MACHINE INC
90104582577RAYTHEON COMPANY
9704-101312444DESIGNATRONICS INC PERFECT GEAR AND INSTRUMENT DIV
S9704AR015012444DESIGNATRONICS INC PERFECT GEAR AND INSTRUMENT DIV
9731002653712WESTFIELD PRECISION PRODUCTS INC WEST COAST GEAR PRODUCTS DIV
901045-4C82577RAYTHEON COMPANY


Techincal Specification:
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE HUB
SURFACE TREATMENTANODIZE BODY
SURFACE TREATMENTPASSIVATE HUB
TEETH QUANTITY70
TOOTH FORMSTANDARD
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.188 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.125 INCHES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-863 FED SPEC SINGLE MATERIAL RESPONSE HUB
HUB NOMINAL DIAMETER0.375 INCHES FIRST END
HUB STYLE DESIGNATORPINNED FIRST END
III MATERIALALUMINUM ALLOY 2024 BODY
III MATERIALSTEEL HUB
PITCH DIAMETER1.0928 INCHES MINIMUM AND 1.0938 INCHES MAXIMUM
PRESSURE ANGLE20.0000 DEGREES
PROPRIETARY CHARACTERISTICSPACS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.250 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.1250 INCHES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY1 MIL SPEC SINGLE TREATMENT RESPONSE BODY


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