3020-00-274-2975 GEAR,HELICAL Index 3020-00-274-2978 GEAR,SPUR

National Stock Number:
3020-00-274-2977

Federal Supply Class:
3020

National Item Identification Number:
002742977

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:
68163910001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
M913226824446GENERAL ELECTRIC COMPANY


Techincal Specification:
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,ALLOY 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND
30.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY90
TOOTH FORMSTANDARD
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER2.8125 INCHES NOMINAL
NOMINAL OVERALL LENGTH0.688 INCHES
NOMINAL OUTSIDE DIAMETER2.873 INCHES
FACE NOMINAL WIDTH0.187 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.500 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.374 INCHES BOTH ENDS
HUB STYLE DESIGNATORPINNED FIRST END
HUB NOMINAL DIAMETER0.625 INCHES FIRST END
BODY STYLEPLAIN, SOLID
ATTACHMENT METHODMOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY1 THREADED TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNC TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE0.138 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD QUANTITY PER INCH32 TRANSVERSELY THROUGH HUB, FIRST END


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