Product Details | HELICAL GEAR

3020-00-253-8510 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: 299454PC1, 3020-00-253-8510, 00-253-8510, 3020002538510, 002538510

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-253-8510

Drawings & Photos | NSN 3020-00-253-8510


Cross Reference | NSN 3020-00-253-8510

Part Number Cage Code Manufacturer
299454PC1 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 3020-00-253-8510

Characteristic Specifications
MATERIAL STEEL COMP 4640 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION SAE 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY 21
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION LEFT
PRESSURE ANGLE 14.5000 DEGREES
HELIX ANGLE 45.0000 DEGREES
STYLE DESIGNATOR 4 PROTRUDING HUBS
PITCH DIAMETER 4.9497 INCHES NOMINAL
NOMINAL OVERALL LENGTH 1.591 INCHES
NOMINAL OUTSIDE DIAMETER 5.278 INCHES
FACE NOMINAL WIDTH 1.000 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.500 INCHES FIRST END 0.091 INCHES SECOND END
BORE STYLE 7 STRAIGHT SPLINE BOTH ENDS
BORE NOMINAL DIAMETER 1.063 INCHES BOTH ENDS
SPLINE QUANTITY 6 BOTH ENDS
HUB STYLE DESIGNATOR 1 PLAIN BOTH ENDS
HUB NOMINAL DIAMETER 2.000 INCHES FIRST END 1.563 INCHES SECOND END
BODY STYLE 1 PLAIN, SOLID
MANUFACTURERS CODE 10001
DESIGN CONTROL REFERENCE 299454PC1

Restrictions/Controls & Freight Information | NSN 3020-00-253-8510

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 S 60
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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 3020-00-253-8510

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