5360-00-722-9820 SPRING,HELICAL,COMPRESSION Index 3020-00-722-9822 GEAR,SPUR

National Stock Number:
3020-00-722-9821

Federal Supply Class:
3020

National Item Identification Number:
007229821

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:
161204810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
BUWEPSDWG161204844114BAE SYSTEMS LAND & ARMAMENTS L.P.


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BACKLASH DESIGNATIONGRADE C
BODY STYLEWEBBED, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER6.250 INCHES AXIALLY THROUGH BODY, FIRST END
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH1.750 INCHES
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE15.0000 DEGREES
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER4.750 INCHES FIRST END
HUB NOMINAL DIAMETER4.750 INCHES SECOND END
MOUNTING HOLE THREAD QUANTITY PER INCH11 AXIALLY THROUGH BODY, FIRST END
PITCH DIAMETER9.1667 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPLINE PITCH DIAMETER3.2500 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY26 BOTH ENDS
STYLE DESIGNATORFLUSH HUB
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY55
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONLEFT


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