3020-01-196-7617 GEAR,WORM WHEEL Index 6105-01-196-7619 GEARCASE-MOTOR

National Stock Number:
3020-01-196-7618

Federal Supply Class:
3020

National Item Identification Number:
011967618

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:
1308465504939LOCKHEED MARTIN CORPORATION
1308465558260PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH
AB550-180/CT-P2 1/8 BORE01351SOUTHERN GEAR & MACHINE INC
130846558V613THE BOEING COMPANY


Techincal Specification:
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH0.250 INCHES FIRST END
FACE NOMINAL WIDTH0.125 INCHES
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL DIAMETER0.188 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALSTEEL HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.312 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.8958 INCHES
PITCH DIAMETER1.8750 INCHES NOMINAL
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 QUANTITY180
TOOTH FORMSTANDARD


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