3020-00-273-3325 GEAR,HELICAL Index 3020-00-273-3329 GEAR,SPUR

National Stock Number:
3020-00-273-3326

Federal Supply Class:
3020

National Item Identification Number:
002733326

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:
860C03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER3.250 INCHES AXIALLY THROUGH BODY FIRST END
BORE NOMINAL DIAMETER1.250 INCHES BOTH ENDS
BORE STYLEW/ 2 KEYWAYS BOTH ENDS
FACE NOMINAL WIDTH1.000 INCHES
HELIX ANGLE45.0000 DEGREES
HUB NOMINAL DIAMETER2.500 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
KEYWAY NOMINAL WIDTH0.3135 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16443,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
PITCH DIAMETER6.0000 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
MOUNTING HOLE TYPE AND QUANTITY6 PLAIN AXIALLY THROUGH BODY FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.750 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.7265 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER5.2455 INCHES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY36
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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