3020-00-250-8606 GEAR,HELICAL Index 4320-00-250-8608 PUMP UNIT,CENTRIFUGAL

National Stock Number:
3020-00-250-8607

Federal Supply Class:
3020

National Item Identification Number:
002508607

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:
128411210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.875 INCHES FIRST END
BORE STYLEW/ 2 KEYWAYS BOTH ENDS
FACE NOMINAL WIDTH0.810 INCHES
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE9.1666 DEGREES
KEYWAY NOMINAL WIDTH0.1563 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8620 OVERALL
PITCH DIAMETER1.6882 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.518 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.853 INCHES
SPECIAL FEATURESC'BORE BOTH ENDS 1.125 IN. DIA BY 0.015 IN. DEEP
STYLE DESIGNATORHUBLESS
TEETH QUANTITY20
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONLEFT
TOOTH FORMSTANDARD


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