Product Details | GEAR CLUSTER

3020-00-073-6641 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: 1852447, 3020-00-073-6641, 00-073-6641, 3020000736641, 000736641

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-073-6641

Drawings & Photos | NSN 3020-00-073-6641


Cross Reference | NSN 3020-00-073-6641

Part Number Cage Code Manufacturer
1852447 03956 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NAVAL AND MARINE SYSTEMS
1852447 56232 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN

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Technical Data | NSN 3020-00-073-6641

Characteristic Specifications
MATERIAL STEEL COMP 303 SHAFT/HUB STEEL COMP 303 FIRST GEAR ALUMINUM ALLOY 2024 SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB QQ-S-763,CLASS 303,COND A FED 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 ANODIZE SECOND GEAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE FIRST GEAR MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE SECOND GEAR
CONSTRUCTION ASSEMBLED
DESIGN TYPE SPUR FIRST GEAR SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER 0.452 INCHES FOURTH GEAR 2.196 INCHES FIFTH GEAR
NOMINAL OVERALL LENGTH 0.562 INCHES
PRECISION CLASSIFICATION QUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 0.188 INCHES BOTH ENDS
THREAD SERIES DESIGNATOR UNC BOTH ENDS
NOMINAL THREAD SIZE 0.086 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 5 PINNED FIRST END
HUB NOMINAL LENGTH 0.250 INCHES FIRST END
HUB NOMINAL DIAMETER 0.3120 INCHES BETWEEN FIRST AND SECOND GEAR
ATTACHMENT METHOD MOUNTING HOLE
MANUFACTURERS CODE 03956
DESIGN CONTROL REFERENCE 1852447

Restrictions/Controls & Freight Information | NSN 3020-00-073-6641

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

Management | NSN 3020-00-073-6641

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative