Product Details | SLEEVE BEARING

3120-01-042-0556 A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also BUSHING, SLEEVE; SPACER, SLEEVE; and WASHER (as modified). Excludes PIN, HOLLOW.

Part Alternates: 4023G55 PIECE 8, 4023G55008, 4023G55-008, 4023G55PIECE8, 3120-01-042-0556, 01-042-0556, 3120010420556, 010420556

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 06 JUN 1977 01-042-0556

Drawings & Photos | NSN 3120-01-042-0556


Cross Reference | NSN 3120-01-042-0556

Part Number Cage Code Manufacturer
4023G55 PIECE 8 01289 GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
4023G55-008 01289 GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT

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Technical Data | NSN 3120-01-042-0556

Characteristic Specifications
MATERIAL TIN ALLOY UNS L13840 INNER LAYER STEEL UNS K02001 OUTER LAYER
MATERIAL DOCUMENT AND CLASSIFICATION QQ-T-390 GRADE 3 FED SPEC 2ND MATERIAL RESPONSE INNER LAYER QQ-S-691 CLASS A/D/ FED SPEC 1ST MATERIAL RESPONSE OUTER LAYER
STYLE DESIGNATOR 22B SEGMENTED
OVERALL LENGTH 10.6200 INCHES NOMINAL
BODY OUTSIDE DIAMETER 17.9990 INCHES MINIMUM AND 18.0010 INCHES MAXIMUM
BODY INSIDE DIAMETER 15.0230 INCHES MINIMUM AND 15.0250 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER 20.0000 INCHES NOMINAL
FLANGE WIDTH 0.7500 INCHES NOMINAL
CORNER SHAPE CHAMFERED OUTSIDE LEFT CORNER CHAMFERED OUTSIDE RIGHT CORNER CHAMFERED INSIDE RIGHT CORNER CHAMFERED INSIDE LEFT CORNER SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER SQUARE LEFT FLANGE BODY CORNER
SURFACE FINISH 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY 250.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY 250.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE 250.0 MICROINCHES RIGHT END SURFACE OF BODY 250.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
(NON-CORE DATA) CHAMFER LENGTH 0.0600 INCHES NOMINAL 0.0600 INCHES NOMINAL 0.0400 INCHES NOMINAL 0.0400 INCHES NOMINAL
(NON-CORE DATA) CHAMFER ANGLE 45.0 DEGREES NOMINAL 45.0 DEGREES NOMINAL 45.0 DEGREES NOMINAL 45.0 DEGREES NOMINAL
MANUFACTURERS CODE 01289
DESIGN CONTROL REFERENCE 4023G55 PIECE 8

Restrictions/Controls & Freight Information | NSN 3120-01-042-0556

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
Controlled Inventory Item Code:UUNCLASSIFIED
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information

Management | NSN 3120-01-042-0556

Category Code Description
Cognizance Codes7HDepot level reparable shipboard and base equipment, assemblies, components and repair parts related to Naval Sea Systems Command equipment
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationLLead Service - 22 (Repairable)
ReparabilityHDepot Level Reparable
Acquisition Advice CodesCSERVICE/AGENCY-MANAGED (Service/Agency use only.) # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by individual Services supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative