3020-01-251-5879 GEAR,HELICAL Index 3020-01-251-5881 GEAR,HELICAL

National Stock Number:
3020-01-251-5880

Federal Supply Class:
3020

National Item Identification Number:
012515880

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:
521019253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER3.000 INCHES BOTH ENDS
FACE NOMINAL WIDTH2.803 INCHES
HELIX ANGLE18.3993 DEGREES
HUB STYLE DESIGNATORPLAIN BOTH ENDS
KEYWAY NOMINAL WIDTH0.751 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.854 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER10.806 INCHES
PITCH DIAMETER10.5512 INCHES NOMINAL
PRESSURE ANGLE25.0000 DEGREES
STYLE DESIGNATORFLUSH HUB
TEETH QUANTITY80
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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