3020-00-200-1492 GEAR,HELICAL Index 3020-00-200-1494 GEAR,HELICAL

National Stock Number:
3020-00-200-1493

Federal Supply Class:
3020

National Item Identification Number:
002001493

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:
10-A-5281 PC 611660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
10-A-5281 PC 690099NORTHROP GRUMMAN SYSTEMS CORPORATION
10-A-5281-611660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
3274894PC680064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
MATERIALSTEEL COMP 90-60 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-15083,GRADE 90-60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING80.0 ROCKWELL A MINIMUM AND
83.0 ROCKWELL A MAXIMUM OVERALL
TEETH QUANTITY21
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONLEFT
PRESSURE ANGLE14.5000 DEGREES
HELIX ANGLE35.5000 DEGREES
STYLE DESIGNATORHUBLESS
PITCH DIAMETER4.2991 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER4.6324 INCHES
FACE NOMINAL WIDTH2.000 INCHES
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER2.563 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH0.625 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.533 INCHES BOTH ENDS
BODY STYLEPLAIN, SOLID
SPECIAL FEATURES1ST END COUNTERBORED,3.432 IN. DIA BY 0.406 IN. DP
THE MANUFACTURERS DATA
MANUFACTURERS CODE80064
DESIGN CONTROL REFERENCE3274894PC6


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