3020-01-006-8713 GEAR,ANTIBACKLASH,SPUR Index 5895-01-006-8715 CONVERTER,SIGNAL DATA

National Stock Number:
3020-01-006-8714

Federal Supply Class:
3020

National Item Identification Number:
010068714

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:
138C099H0148306NORTHROP GRUMMAN SUPPORT SERVICES CORP
138C099H0197942NORTHROP GRUMMAN SYSTEMS CORPORATION
MAB150-28/CTP112501351SOUTHERN GEAR & MACHINE INC


Techincal Specification:
ATTACHMENT METHODCLAMP
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
END NOMINAL LENGTH0.250 INCHES FIRST END
END NOMINAL DIAMETER0.187 INCHES FIRST END
FACE NOMINAL WIDTH0.125 INCHES
FIRST STEP NOMINAL DIAMETER0.380 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.065 INCHES FIRST END
HUB STYLE DESIGNATOR1 STEP FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALSTEEL COMP 303 HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.315 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER0.625 INCHES
PITCH DIAMETER0.5833 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
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 TREATMENTANODIZE BODY
SURFACE TREATMENTPASSIVATE HUB
TEETH QUANTITY28
TOOTH FORMSTANDARD


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