3020-01-238-8336 GEAR,SPUR Index 3020-01-238-8338 GEAR,SPUR

National Stock Number:
3020-01-238-8337

Federal Supply Class:
3020

National Item Identification Number:
012388337

Description:
GEAR,SPUR

Detail:
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.


Manufacturer Information:
014209-50159027MEGGITT DEFENSE SYSTEMS, INC. DBA MEGGITT WESTERN DESIGN
014209-50162228MEGGITT DEFENSE SYSTEMS, INC.
HM025-689-11T765ROBERTSON FUEL SYSTEMS, L.L.C.


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE NOMINAL DIAMETER0.644 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH0.250 INCHES
HARDNESS RATING31.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER0.875 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.094 INCHES AXIALLY THROUGH BODY FIRST END
MOUNTING HOLE TYPE AND QUANTITY4 PLAIN AXIALLY THROUGH BODY FIRST END
NOMINAL OUTSIDE DIAMETER4.667 INCHES
PITCH DIAMETER4.4444 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 8
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESWITH 4 LIGHTENING HOLES EQUALLY SPACED WITHIN 0.060 IN,1.250 IN DIA
SPLINE PITCH DIAMETER0.5833 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY14 BOTH ENDS
STYLE DESIGNATORFLUSH HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
TEETH QUANTITY40
TOOTH FORMSTANDARD


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