Product Details | HELICAL GEAR

3020-00-956-3912 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: 182-17-01-10, 3020-00-956-3912, 00-956-3912, 3020009563912, 182170110, 009563912

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1962 00-956-3912

Drawings & Photos | NSN 3020-00-956-3912


Cross Reference | NSN 3020-00-956-3912

Part Number Cage Code Manufacturer
182-17-01-10 25549 LITTON SYSTEMS INC AMECOM DIV
182-17-01-10 92755 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA LAND & SELF PROTECTION SYSTEM

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Technical Data | NSN 3020-00-956-3912

Characteristic Specifications
MATERIAL STEEL OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
TEETH QUANTITY 108
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION RIGHT
PRESSURE ANGLE 14.5000 DEGREES
HELIX ANGLE 12.0000 DEGREES
STYLE DESIGNATOR 4 PROTRUDING HUBS
PITCH DIAMETER 2.3000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 2.342 INCHES
FACE NOMINAL WIDTH 0.375 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 1.125 INCHES FIRST END 0.500 INCHES SECOND END
HUB STYLE DESIGNATOR 4A 1 STEP FIRST END 1 PLAIN SECOND END
HUB NOMINAL DIAMETER 0.374 INCHES SECOND END
END NOMINAL LENGTH 0.938 INCHES FIRST END
END NOMINAL DIAMETER 0.375 INCHES FIRST END
FIRST STEP NOMINAL LENGTH 0.188 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER 0.617 INCHES FIRST END
BODY STYLE 2 PLAIN, WITH LIGHTENING HOLES
ATTACHMENT METHOD MOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY 1 PLAIN TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL DIAMETER 0.063 INCHES TRANSVERSELY THROUGH HUB, FIRST END

Restrictions/Controls & Freight Information | NSN 3020-00-956-3912

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 XX
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 3020-00-956-3912

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each