Product Details | GEAR CLUSTER

3020-00-020-3902 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: 3318505, 3318-505, 3020-00-020-3902, 00-020-3902, 3020000203902, 000203902

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-020-3902

Drawings & Photos | NSN 3020-00-020-3902


Cross Reference | NSN 3020-00-020-3902

Part Number Cage Code Manufacturer
3318-505 90073 CMC ELECTRONICS INC

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Technical Data | NSN 3020-00-020-3902

Characteristic Specifications
MATERIAL ALUMINUM ALLOY FIRST GEAR STEEL SECOND GEAR
SURFACE TREATMENT ANODIZE FIRST GEAR PASSIVATE SECOND GEAR
CONSTRUCTION ASSEMBLED
DESIGN TYPE SPUR FIRST GEAR SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER 1.292 INCHES FIRST GEAR 0.292 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH 1.655 INCHES
PRECISION CLASSIFICATION QUALITY NUMBER 10 ALL GEARS
HUB STYLE DESIGNATOR 1 PLAIN BETWEEN FIRST AND SECOND GEAR 4A 1 STEP BOTH ENDS
HUB NOMINAL LENGTH 0.7042 INCHES FIRST END 0.2340 INCHES SECOND END 0.175 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER 0.1547 INCHES FIRST END 0.1873 INCHES SECOND END 0.500 INCHES BETWEEN FIRST AND SECOND GEAR

Restrictions/Controls & Freight Information | NSN 3020-00-020-3902

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
No Freight Information