Product Details | GEAR CLUSTER

3020-00-318-0255 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: 7333312, 3020-00-318-0255, 00-318-0255, 3020003180255, 003180255

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-318-0255

Drawings & Photos | NSN 3020-00-318-0255


Cross Reference | NSN 3020-00-318-0255

Part Number Cage Code Manufacturer
7333312 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 3020-00-318-0255

Characteristic Specifications
MATERIAL STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 9440 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PHOSPHATE MANGANESE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 50.0 ROCKWELL C NOMINAL TEETH
CONSTRUCTION SOLID
DESIGN TYPE SPUR FIRST GEAR SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER 4.699 INCHES FOURTH GEAR 2.124 INCHES FIFTH GEAR
HUB STYLE DESIGNATOR 4A 1 STEP BOTH ENDS
HUB NOMINAL LENGTH 1.3957 INCHES FIRST END 0.8543 INCHES SECOND END 0.125 INCHES BETWEEN FIRST AND SECOND GEAR 0.7918 INCHES BETWEEN SECOND AND THIRD GEAR

Restrictions/Controls & Freight Information | NSN 3020-00-318-0255

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