Product Details | WORM GEAR

3020-01-414-4393 A gear with teeth on its outer surface in the form of helical threads.

Part Alternates: 6556509, 8456556509, 845-6556509, 845660314160, 845-6603141-60, 3020-01-414-4393, 01-414-4393, 3020014144393, 014144393

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

Supply Group (FSG) NSN Assign. NIIN
30 07 JUN 1995 01-414-4393

Drawings & Photos | NSN 3020-01-414-4393


Demand History | NSN 3020-01-414-4393

Part Number Request Date QTY Origin
3020-01-414-4393 2025-07-192 32 DIBBS
3020-01-414-4393 2025-03-62 32 DIBBS
3020-01-414-4393 2025-02-51 32 DIBBS
3020-01-414-4393 2025-02-49 12 DIBBS
3020-01-414-4393 2025-02-37 12 DIBBS
3020-01-414-4393 2025-01-30 20 DIBBS

Cross Reference | NSN 3020-01-414-4393

Part Number Cage Code Manufacturer
6556509 53711 NAVAL SEA SYSTEMS COMMAND
845-6556509 53711 NAVAL SEA SYSTEMS COMMAND
845-6603141-60 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 3020-01-414-4393

Characteristic Specifications
MATERIAL BRONZE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B-584 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 175.0 BRINELL HULTGREN MINIMUM AND 250.0 BRINELL HULTGREN MAXIMUM OVERALL
FACE TYPE STRAIGHT
THREAD FORM QUANTITY 10
THREAD FORM DIRECTION LEFT-HAND
PRESSURE ANGLE 20.0000 DEGREES
HELIX ANGLE 6.1702 DEGREES
STYLE DESIGNATOR 8 PROTRUDING HUB, RECESSED BODY
PITCH DIAMETER 6.6071 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 6.750 INCHES
FACE NOMINAL WIDTH 0.655 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.314 INCHES SECOND END
BODY RECESS NOMINAL DEPTH 0.301 INCHES FIRST END
BORE STYLE 6 INVOLUTE SPLINE BOTH ENDS
BORE NOMINAL DIAMETER 3.400 INCHES BOTH ENDS
SPLINE QUANTITY 35 BOTH ENDS
SPLINE PITCH DIAMETER 3.5000 INCHES NOMINAL BOTH ENDS
HUB STYLE DESIGNATOR 1 PLAIN SECOND END
HUB NOMINAL DIAMETER 4.240 INCHES SECOND END
SPECIAL FEATURES USED IN VALVE OPERATOR
III END ITEM IDENTIFICATION WEAPONS SYSTEM SEAWOLF CLASS SSN

Restrictions/Controls & Freight Information | NSN 3020-01-414-4393

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:AItem does not contain precious metal
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 3020-01-414-4393

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