3020-00-239-3884 GEAR,SPUR Index 3020-00-239-3887 GEAR,SPUR

National Stock Number:
3020-00-239-3886

Federal Supply Class:
3020

National Item Identification Number:
002393886

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:
806903024617GENERAL MOTORS CORP
806903072915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
848394439VG9PROGRESS RAIL LOCOMOTIVE INC.
848394472915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV


Techincal Specification:
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE NOMINAL DIAMETER4.6255 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH3.0000 INCHES
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER6.0000 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.998 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER14.9690 INCHES
PITCH DIAMETER14.5000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORONE PROTRUDING HUB, ONE FLUSH HUB
TEETH QUANTITY58
TOOTH FORMSTANDARD


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