Product Details | HELICAL GEAR

3020-00-447-2686 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

Part Alternates: 3659871, 6245937, 3020-00-447-2686, 00-447-2686, 3020004472686, 004472686

Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-447-2686

Drawings & Photos | NSN 3020-00-447-2686


Cross Reference | NSN 3020-00-447-2686

Part Number Cage Code Manufacturer
3659871 11862 GENERAL MOTORS CORP CHEVROLET MOTOR DIV
3659871 22852 SPALLA INC
3659871 24617 GENERAL MOTORS CORP
3659871 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS
6245937 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 3020-00-447-2686

Characteristic Specifications
MATERIAL STEEL COMP E4340H OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 AISI/SAE E4340 FED STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY 29
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION RIGHT
PRESSURE ANGLE 17.5000 DEGREES
HELIX ANGLE 25.8419 DEGREES
STYLE DESIGNATOR 4 PROTRUDING HUBS
PITCH DIAMETER 5.3704 INCHES NOMINAL
NOMINAL OVERALL LENGTH 2.344 INCHES
NOMINAL OUTSIDE DIAMETER 5.700 INCHES
FACE NOMINAL WIDTH 1.875 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.375 INCHES FIRST END 0.094 INCHES SECOND END
HUB STYLE DESIGNATOR 1 PLAIN BOTH ENDS
HUB NOMINAL DIAMETER 2.562 INCHES SECOND END
BODY STYLE 3B WEBBED, OFFSET, SOLID
MANUFACTURERS CODE 7X677
DESIGN CONTROL REFERENCE 3659871

Restrictions/Controls & Freight Information | NSN 3020-00-447-2686

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information