3020-01-272-8744 GEAR,HELICAL Index 3020-01-272-8746 GEAR,HELICAL

National Stock Number:
3020-01-272-8745

Federal Supply Class:
3020

National Item Identification Number:
012728745

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:
484749280064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY STYLESPOKED
BORE NOMINAL DIAMETER2.750 INCHES BOTH ENDS
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH2.500 INCHES
HELIX ANGLE15.6250 DEGREES
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER5.000 INCHES FIRST END
KEYWAY NOMINAL WIDTH0.754 INCHES BOTH ENDS
MATERIALSTEEL OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.250 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.705 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER23.952 INCHES
PITCH DIAMETER23.7518 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY183
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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