4720-00-289-8689 HOSE,PREFORMED Index 4720-00-289-8695 HOSE,AIR DUCT

National Stock Number:
3020-00-289-8691

Federal Supply Class:
3020

National Item Identification Number:
002898691

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.


Techincal Specification:
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE STYLETAPERED W/KEYWAY FIRST END
FACE NOMINAL WIDTH0.219 INCHES
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER0.875 INCHES FIRST END
HUB NOMINAL DIAMETER0.875 INCHES SECOND END
KEYWAY NOMINAL WIDTH0.0933 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16522,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.0475 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.1720 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.222 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER4.060 INCHES
PITCH DIAMETER3.9960 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
TAPER MAJOR NOMINAL DIAMETER0.350 INCHES FIRST END
TEETH QUANTITY128
TOOTH FORMSTANDARD


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