Product Details | HELICAL GEAR

3020-00-434-6474 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: 331207, 3020-00-434-6474, 00-434-6474, 3020004346474, 004346474

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

Supply Group (FSG) NSN Assign. NIIN
30 17 MAY 1974 00-434-6474

Drawings & Photos | NSN 3020-00-434-6474


Demand History | NSN 3020-00-434-6474

Part Number Request Date QTY Origin
331207 2025-04-118 3 DIBBS
331207 2024-10-298 1 DIBBS
331207 2024-06-165 3 DIBBS
331207 2019-12-335 2 DIBBS
331207 2019-08-241 1 DIBBS
3020-00-434-6474 2018-09-270 2 DIBBS
3020-00-434-6474 2018-07-207 2 DIBBS
3020-00-434-6474 2018-01-29 2 DIBBS
3020-00-434-6474 2017-10-282 2 DIBBS
3020-00-434-6474 2013-12-352 2 DIBBS
3020-00-434-6474 2012-06-167 3 DIBBS
3020-00-434-6474 2011-02-52 1 DIBBS
3020-00-434-6474 2010-12-340 3 DIBBS
331207 2010-09-258 1
3020-00-434-6474 2010-09-257 1 NECO
3020-00-434-6474 2010-09-244 2 DIBBS

Cross Reference | NSN 3020-00-434-6474

Part Number Cage Code Manufacturer
331207 21444 REXNORD LLC DIV FALK GEAR GROUP DIVISION

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Technical Data | NSN 3020-00-434-6474

Characteristic Specifications
MATERIAL STEEL COMP 4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-19434,CLASS 5 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 310.0 BRINELL STANDARD MINIMUM AND 350.0 BRINELL STANDARD MAXIMUM OVERALL
TEETH QUANTITY 94
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION RIGHT
PRESSURE ANGLE 20.0000 DEGREES
HELIX ANGLE 30.0483 DEGREES
STYLE DESIGNATOR 22 PROTRUDING HUB, RECESSED BODY
PITCH DIAMETER 11.8430 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 12.0610 INCHES
FACE NOMINAL WIDTH 2.750 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.500 INCHES FIRST END
BODY RECESS NOMINAL DEPTH 0.875 INCHES SECOND END
BORE STYLE 12 TAPERED W/KEYWAY BOTH ENDS
KEYWAY NOMINAL WIDTH 0.500 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM 1.387 INCHES BOTH ENDS
TAPER MAJOR NOMINAL DIAMETER 2.243 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 4A 1 STEP FIRST END
END NOMINAL LENGTH 0.375 INCHES FIRST END
END NOMINAL DIAMETER 2.750 INCHES FIRST END
FIRST STEP NOMINAL LENGTH 0.125 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER 4.125 INCHES FIRST END
BODY STYLE 3B WEBBED, OFFSET, SOLID
ATTACHMENT METHOD MOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY 2 THREADED AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATOR UNC AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE 0.190 INCHES AXIALLY THROUGH BODY, FIRST END
BOLT HOLE CIRCLE NOMINAL DIAMETER 6.750 INCHES AXIALLY THROUGH BODY, FIRST END

Restrictions/Controls & Freight Information | NSN 3020-00-434-6474

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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
NMF Description 197339 WHEELS COG/GEAR/PINION I/S
Less than car load rating
Less than truck load rating R 65.0
Water commodity Code 593 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 3020-00-434-6474

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each