3020-00-517-3987 GEAR,SPUR Index 3020-00-517-3990 GEAR,SPUR

National Stock Number:
3020-00-517-3988

Federal Supply Class:
3020

National Item Identification Number:
005173988

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:
BACKLASH DESIGNATIONGRADE C
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.187 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.094 INCHES
HUB NOMINAL DIAMETER0.375 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.1872 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.7187 INCHES
PITCH DIAMETER1.6875 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY108
TOOTH FORMSTANDARD


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