3020-00-402-8246 GEAR,WORM WHEEL Index 2530-00-402-8248 SHOE AND LINING,BRA

National Stock Number:
3020-00-402-8247

Federal Supply Class:
3020

National Item Identification Number:
004028247

Description:
GEAR,WORM WHEEL

Detail:
A GEAR, CYLINDRICAL IN FORM, WITH SPIRAL TEETH DESIGNED TO MESH WITH THE THREAD FORMS OF A GEAR (1), WORM. SEE ALSO GEAR, ANTIBACKLASH, WORM WHEEL.


Manufacturer Information:
826775419200US ARMY ARDEC RDECOM


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.395 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FLANGE NOMINAL DIAMETER1.247 INCHES
FLANGE NOMINAL THICKNESS0.094 INCHES
HELIX ANGLE53.5000 DEGREES
HUB NOMINAL DIAMETER0.811 INCHES BETWEEN BODY AND FLANGE
PITCH DIAMETER0.5000 INCHES NOMINAL
MATERIALSTEEL OVERALL
MATING THREAD LEAD QUANTITY1
NOMINAL DISTANCE BETWEEN OUTER BODY FACE AND INNER FLANGE FACE0.281 INCHES
NOMINAL OUTSIDE DIAMETER0.810 INCHES
PRESSURE ANGLE30.0000 DEGREES
SPLINE PITCH DIAMETER0.3750 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY18 BOTH ENDS
STYLE DESIGNATORFLANGED END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171,5.4 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY46
SPECIAL FEATURESSPLINE MINOR NOM.DIA. 0.354 IN.
THROAT NOMINAL RADIUS0.160 INCHES
TOOTH DIRECTIONRIGHT


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