Product Details | SELF-ALIGNING PLAIN BEARING

3120-00-818-6603 A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes BEARING, PLAIN, ROD END and BEARING, PLAIN, SPHERICAL.

Part Alternates: HU20SSG, 9151203, 3120-00-818-6603, 00-818-6603, 3120008186603, 008186603

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1962 00-818-6603

Drawings & Photos | NSN 3120-00-818-6603


Cross Reference | NSN 3120-00-818-6603

Part Number Cage Code Manufacturer
9151203 18876 U S ARMY AVIATION AND MISSILE COMMAND
HU20SSG 02758 U S BEARINGS

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Technical Data | NSN 3120-00-818-6603

Characteristic Specifications
MATERIAL STEEL COMP E52100 INNER MEMBER STEEL COMP 4130 OUTER RACE MEMBER
HARDNESS RATING 59.0 ROCKWELL C NOMINAL INNER MEMBER 36.0 ROCKWELL C NOMINAL OUTER RACE MEMBER
SURFACE TREATMENT CHROMIUM INNER MEMBER
STYLE DESIGNATOR 11B WITHOUT INSERT OR LINER
BORE DIAMETER 1.2492 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 2.3742 INCHES MINIMUM AND 2.3750 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.1250 INCHES NOMINAL
INNER MEMBER WIDTH 1.4950 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM
LUBRICATION FEATURE GROOVE EXTERNAL OUTER MEMBER PERFORATION OUTER RACE MEMBER

Restrictions/Controls & Freight Information | NSN 3120-00-818-6603

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
NMF Description 114820 BEARINGS/BUSHINGS NOI BALL/ROLLER
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 742 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