Product Details | GEAR CLUSTER

3020-00-021-6659 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: 10131630, 501150CM15421, 501-150CM154-21, 3020-00-021-6659, 00-021-6659, 3020000216659, 000216659

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1961 00-021-6659

Drawings & Photos | NSN 3020-00-021-6659


Cross Reference | NSN 3020-00-021-6659

Part Number Cage Code Manufacturer
10131630 18876 U S ARMY AVIATION AND MISSILE COMMAND
501-150CM154-21 01351 SOUTHERN GEAR & MACHINE, INC.

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Technical Data | NSN 3020-00-021-6659

Characteristic Specifications
MATERIAL STEEL COMP 303SE SHAFT/HUB STEEL COMP 303SE FIRST GEAR ALUMINUM ALLOY 2024 SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-7720,COMP 303SE MIL SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB MIL-S-7720,COMP 303SE MIL SPEC SINGLE MATERIAL RESPONSE FIRST GEAR QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
SURFACE TREATMENT PASSIVATE SHAFT/HUB PASSIVATE FIRST GEAR PASSIVATE SECOND GEAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE SHAFT/HUB MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE FIRST GEAR MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE SECOND GEAR
CONSTRUCTION ASSEMBLED
DESIGN TYPE SPUR FIRST GEAR SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER 0.477 INCHES FOURTH GEAR 1.582 INCHES FIFTH GEAR
NOMINAL OVERALL LENGTH 0.438 INCHES
PRECISION CLASSIFICATION QUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 0.250 INCHES BOTH ENDS
THREAD SERIES DESIGNATOR UNC BOTH ENDS
NOMINAL THREAD SIZE 0.112 INCHES BOTH ENDS
HUB NOMINAL LENGTH 0.126 INCHES BETWEEN FIRST AND SECOND GEAR
ATTACHMENT METHOD MOUNTING HOLE
MANUFACTURERS CODE 01351
DESIGN CONTROL REFERENCE 501-150CM154-21

Restrictions/Controls & Freight Information | NSN 3020-00-021-6659

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