Product Details | GEAR CLUSTER

3020-00-018-3646 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: 176495, 3020-00-018-3646, 00-018-3646, 3020000183646, 000183646

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

Supply Group (FSG) NSN Assign. NIIN
30 17 OCT 1972 00-018-3646

Drawings & Photos | NSN 3020-00-018-3646


Cross Reference | NSN 3020-00-018-3646

Part Number Cage Code Manufacturer
176495 71791 CURTISS-WRIGHT CONTROLS, INC. DIV FLIGHT SYSTEMS

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Technical Data | NSN 3020-00-018-3646

Characteristic Specifications
MATERIAL STEEL COMP 9315 OVERALL
SURFACE TREATMENT CADMIUM SHAFT/HUB
HARDNESS RATING 90.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM TEETH
CONSTRUCTION SOLID
DESIGN TYPE SPUR ALL GEARS
NOMINAL OUTSIDE DIAMETER 3.9491 INCHES FIRST GEAR 3.6991 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH 2.830 INCHES
PRECISION CLASSIFICATION QUALITY NUMBER 12 ALL GEARS
BORE STYLE 17 W/COUNTERBORE BOTH ENDS
BORE NOMINAL DIAMETER 0.780 INCHES BOTH ENDS
COUNTERBORE NOMINAL DEPTH 1.090 INCHES FIRST END 1.680 INCHES SECOND END
COUNTERBORE NOMINAL DIAMETER 1.1025 INCHES FIRST END 0.9000 INCHES SECOND END
HUB STYLE DESIGNATOR 1 PLAIN BETWEEN FIRST AND SECOND GEAR 1 PLAIN BOTH ENDS
HUB NOMINAL LENGTH 0.0600 INCHES FIRST END 2.1100 INCHES SECOND END 0.180 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER 1.3100 INCHES FIRST END 1.3775 INCHES SECOND END 3.440 INCHES BETWEEN FIRST AND SECOND GEAR
ATTACHMENT METHOD CLAMP
TEST DATA DOCUMENT B1343-AMS2640 SPECIFICATION
MANUFACTURERS CODE 71791
DESIGN CONTROL REFERENCE 176495

Restrictions/Controls & Freight Information | NSN 3020-00-018-3646

Category Code Description
Shelf-Life Code:0Nondeteriorative
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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
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
Less than truck load rating R 65.0
Water commodity Code 593 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
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 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 3020-00-018-3646

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
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
Purchasing QTY
UOM
1
EA : Each