3020-00-379-2251 GEAR,HELICAL Index 2825-00-379-2254 DIAPHRAGM,TURBINE

National Stock Number:
3020-00-379-2252

Federal Supply Class:
3020

National Item Identification Number:
003792252

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:
327458855380HATCH & KIRK, INC.
327458872915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
K-327458818954KORODY-COLYER CORP A CR INDUSTRIES CO


Techincal Specification:
BODY STYLEWEBBED, OFFSET, SOLID
BORE NOMINAL DIAMETER2.001 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
END NOMINAL DIAMETER3.249 INCHES FIRST END
END NOMINAL DIAMETER3.249 INCHES SECOND END
END NOMINAL LENGTH2.000 INCHES SECOND END
END NOMINAL LENGTH2.007 INCHES FIRST END
FACE NOMINAL WIDTH2.750 INCHES
FIRST STEP NOMINAL DIAMETER4.750 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER4.750 INCHES SECOND END
HARDNESS RATING89.0 ROCKWELL C MINIMUM AND 97.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE45.0000 DEGREES
HUB STYLE DESIGNATOR1 STEP BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1035 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1035 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.250 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.500 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER8.581 INCHES
SPECIAL FEATURES2 PLUGS; COUNTERBORE ON BOTH ENDS W/ 2.125 IN. NOM. DIA,1.375 IN. NOM. DEPTH
PITCH DIAMETER8.2496 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
SPLINE PITCH DIAMETER1.9505 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY48 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY35
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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