Product Details | GEAR CLUSTER

3020-00-938-3551 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: A4005, 3020-00-938-3551, 00-938-3551, 3020009383551, 009383551

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

Supply Group (FSG) NSN Assign. NIIN
30 15 MAR 1967 00-938-3551

Drawings & Photos | NSN 3020-00-938-3551


Cross Reference | NSN 3020-00-938-3551

Part Number Cage Code Manufacturer
A4005 12511 SIMMONDS PRECISION PRODUCTS, INC. DBA SENSORS AND INTEGRATED SYSTEMS

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Technical Data | NSN 3020-00-938-3551

Characteristic Specifications
MATERIAL STEEL COMP 416 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,CLASS 6,TYPE C FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 32.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
CONSTRUCTION SOLID
DESIGN TYPE SPUR, ANTI-BACKLASH ALL GEARS
NOMINAL OUTSIDE DIAMETER 0.418 INCHES FIRST GEAR 0.112 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH 0.515 INCHES
HUB STYLE DESIGNATOR 4A 1 STEP FIRST END 1 PLAIN SECOND END 1 PLAIN BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH 0.105 INCHES FIRST END 0.130 INCHES SECOND END 0.080 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER 0.125 INCHES FIRST END 0.078 INCHES SECOND END 0.065 INCHES BETWEEN FIRST AND SECOND GEAR

Restrictions/Controls & Freight Information | NSN 3020-00-938-3551

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:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
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 3020-00-938-3551

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