Product Details | GEAR CLUSTER

3020-00-020-3918 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: 3306685, 3306-685, 3020-00-020-3918, 00-020-3918, 3020000203918, 000203918

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-020-3918

Drawings & Photos | NSN 3020-00-020-3918


Cross Reference | NSN 3020-00-020-3918

Part Number Cage Code Manufacturer
3306-685 90073 CMC ELECTRONICS INC

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Technical Data | NSN 3020-00-020-3918

Characteristic Specifications
MATERIAL STEEL COMP 303 SHAFT/HUB STEEL COMP 302 FIRST GEAR STEEL COMP 303 SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-764,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB QQ-S-766,CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR QQ-S-764,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
SURFACE TREATMENT PASSIVATE OVERALL
CONSTRUCTION ASSEMBLED
DESIGN TYPE SPUR FIRST GEAR SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER 1.2920 INCHES FIRST GEAR 0.4170 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH 0.291 INCHES
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 0.125 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 1 PLAIN FIRST END
HUB NOMINAL LENGTH 0.010 INCHES FIRST END
HUB NOMINAL DIAMETER 0.250 INCHES BETWEEN FIRST AND SECOND GEAR

Restrictions/Controls & Freight Information | NSN 3020-00-020-3918

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