Product Details | GEAR CLUSTER

3020-00-434-7745 A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see GEARSHAFT (as modified). Excludes GEAR SUBASSEMBLY, SPEED DECREASER.

Part Alternates: EYLC16, 3020-00-434-7745, 00-434-7745, 3020004347745, 004347745

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-434-7745

Drawings & Photos | NSN 3020-00-434-7745


Cross Reference | NSN 3020-00-434-7745

Part Number Cage Code Manufacturer
EYLC16 05624 GE AVIATION SYSTEMS LLC DBA GE AVIATION
EYLC16 08588 NATIONAL DISTILLERS AND CHEMICAL CORP BRIDGEPORT BRASS CO DIV

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Technical Data | NSN 3020-00-434-7745

Characteristic Specifications
MATERIAL STEEL SHAFT/HUB STEEL FIRST GEAR STEEL SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-8559 MIL SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE FIRST GEAR MIL-S-8559 MIL SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
SURFACE TREATMENT OXIDE OVERALL
HARDNESS RATING 45.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM HUB 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM TEETH
DESIGN TYPE SPUR FIRST GEAR SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER 1.0290 INCHES FIRST GEAR 0.2320 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH 0.203 INCHES
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 0.123 INCHES BOTH ENDS
MANUFACTURERS CODE 05624
DESIGN CONTROL REFERENCE EYLC16

Restrictions/Controls & Freight Information | NSN 3020-00-434-7745

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
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 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 Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable