3020-00-989-8456 GEAR,SPUR Index 3020-00-989-8458 GEAR,SPUR

National Stock Number:
3020-00-989-8457

Federal Supply Class:
3020

National Item Identification Number:
009898457

Description:
GEAR,SPUR

Detail:
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.


Manufacturer Information:
A16942-1ISSUED42498DAR ELECTRONICS INC DBA NATIONAL RADIO CO


Techincal Specification:
MATERIALCOPPER ALLOY OVERALL
TEETH QUANTITY60
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR
QUALITY NUMBER 11
BACKLASH DESIGNATIONGRADE C
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER0.9375 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER0.969 INCHES
FACE NOMINAL WIDTH0.032 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.187 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER0.250 INCHES FIRST END
BODY STYLEPLAIN, SOLID
ATTACHMENT METHODMOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY2 THREADED AXIALLY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNC AXIALLY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE0.086 INCHES AXIALLY THROUGH HUB, FIRST END
SPECIAL FEATURESTHD HOLES SPACED 120 DEG APART


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