3020-00-517-3918 GEAR,HELICAL Index 3020-00-517-3920 GEAR,HELICAL

National Stock Number:
3020-00-517-3919

Federal Supply Class:
3020

National Item Identification Number:
005173919

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:
637681601NORFOLK NAVAL SHIPYARD
DA637681601NORFOLK NAVAL SHIPYARD


Techincal Specification:
BODY STYLEWEBBED, OFFSET, SOLID
FACE NOMINAL WIDTH1.250 INCHES
HUB NOMINAL DIAMETER2.000 INCHES SECOND END
HUB NOMINAL DIAMETER2.375 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN BOTH ENDS
NOMINAL OUTSIDE DIAMETER6.9244 INCHES
PITCH DIAMETER6.7244 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
SPECIAL FEATURESTWO 3/8 IN.-16 HOLES 60 DEG AND 120 DEG ON EA SIDE OF KEYWAY ON SECOND END,3/32 IN. HOLE 180 DEG FROM KEYWAY THROUGH HUB TO BORE,TIMING MARK 152 DEG 8 MIN FROM CENTERLINE OF KEYWAY,THREE 3/32 IN. HOLES EQUALLY SPACED THROUGH TEETH
STYLE DESIGNATORFLUSH HUB
TEETH QUANTITY60
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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