3020-00-382-7274 GEAR,HELICAL Index 3020-00-382-7281 GEAR,HELICAL

National Stock Number:
3020-00-382-7275

Federal Supply Class:
3020

National Item Identification Number:
003827275

Description:
GEAR,HELICAL

Detail:
A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:


Manufacturer Information:
330000655380HATCH & KIRK, INC.
330000672915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE NOMINAL DIAMETER1.500 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH2.000 INCHES
HARDNESS RATING10.0 ROCKWELL C MINIMUM AND 20.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE27.3217 DEGREES
HUB NOMINAL DIAMETER2.997 INCHES FIRST END
HUB NOMINAL DIAMETER2.997 INCHES SECOND END
HUB STYLE DESIGNATORPLAIN BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MOUNTING HOLE THREAD SERIES DESIGNATORUNF AXIALLY THROUGH HUB, FIRST END
MOUNTING HOLE TYPE AND QUANTITY2 PLAIN AND 3 THREADED AXIALLY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL DIAMETER0.374 INCHES AXIALLY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE0.375 INCHES AXIALLY THROUGH HUB, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.688 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER11.084 INCHES
PITCH DIAMETER10.8000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESTHREE BALANCE WEIGHTS,TWO DOWEL PINS,ONE PLUG,THREE RIVETS
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY54
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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