3020-01-348-8072 GEAR,BEVEL Index 3020-01-348-8074 GEAR,HELICAL

National Stock Number:
3020-01-348-8073

Federal Supply Class:
3020

National Item Identification Number:
013488073

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:
640525853711NAVAL SEA SYSTEMS COMMAND
752-6405258-3853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BODY RECESS NOMINAL DEPTH0.053 INCHES BOTH ENDS
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER1.252 INCHES BOTH ENDS
BORE STYLEW/ 2 KEYWAYS BOTH ENDS
FACE NOMINAL WIDTH1.527 INCHES
HARDNESS RATING42.0 ROCKWELL C MINIMUM OVERALL
HELIX ANGLE45.0000 DEGREES
KEYWAY NOMINAL WIDTH0.251 INCHES BOTH ENDS
MATERIALSTEEL OVERALL
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.740 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER2.236 INCHES
PITCH DIAMETER2.0000 INCHES NOMINAL
PRECISION CLASSIFICATIONACCURACY GRADE 12
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORHUBLESS, RECESSED BODY
TEETH QUANTITY12
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONLEFT


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