Product Details | GEAR CLUSTER

3020-00-318-1149 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: 741KB2146, 8332949, 3020-00-318-1149, 00-318-1149, 3020003181149, 003181149

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-318-1149

Drawings & Photos | NSN 3020-00-318-1149


Cross Reference | NSN 3020-00-318-1149

Part Number Cage Code Manufacturer
741KB2146 76040 MACK TRUCKS INC PARTS OPN
8332949 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 3020-00-318-1149

Characteristic Specifications
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 80.0 ROCKWELL A MINIMUM AND 83.0 ROCKWELL A MAXIMUM OVERALL
CONSTRUCTION SOLID
DESIGN TYPE HELICAL FIRST GEAR SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER 5.383 INCHES FIRST GEAR 3.536 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH 2.773 INCHES
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 2.375 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 1 PLAIN BETWEEN FIRST AND SECOND GEAR 1 PLAIN BOTH ENDS
HUB NOMINAL LENGTH 0.125 INCHES FIRST END 0.031 INCHES SECOND END 0.120 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER 3.094 INCHES BETWEEN FIRST AND SECOND GEAR 3.000 INCHES BOTH ENDS
MANUFACTURERS CODE 19207
DESIGN CONTROL REFERENCE 8332949

Restrictions/Controls & Freight Information | NSN 3020-00-318-1149

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:AItem does not contain precious metal
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 121870 GEAR/SPEED INCREASING/REDUCING MACH
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 593 unknown
Originating Activity Code XX
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