5307-01-089-3332 STUD,GROUND Index 4820-01-089-3334 ADAPTER,VALVE UPPER

National Stock Number:
3020-01-089-3333

Federal Supply Class:
3020

National Item Identification Number:
010893333

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:
SM-A-70212701351SOUTHERN GEAR & MACHINE INC
SM-A-70212780063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH0.250 INCHES
HUB STYLE DESIGNATORPINNED FIRST END
HUB STYLE DESIGNATORPLAIN SECOND END
HUB NOMINAL DIAMETER0.375 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE HUB
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY 2024 BODY
PITCH DIAMETER1.4583 INCHES NOMINAL
MATERIALSTEEL COMP 303 HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.071 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.240 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.4861 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 10
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE HUB
SURFACE TREATMENTPASSIVATE HUB
SURFACE TREATMENTANODIZE BODY
TEETH QUANTITY105
TOOTH FORMSTANDARD


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