Product Details | SLEEVE BEARING

3120-01-083-2378 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: B4-18, PC920123, PC92012-3, 11780111-3, B418, 3120-01-083-2378, 01-083-2378, 3120010832378, 117801113, 010832378

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 20 SEP 1979 01-083-2378

Drawings & Photos | NSN 3120-01-083-2378


Demand History | NSN 3120-01-083-2378

Part Number Request Date QTY Origin
B418 2023-01-10 2 United States
B418 2022-11-315 2 United States
B418 2012-05-126 290
B418 2011-10-294 335

Cross Reference | NSN 3120-01-083-2378

Part Number Cage Code Manufacturer
11780111-3 19200 US ARMY ARDEC RDECOM
B4-18 29440 W. M. BERG INC
PC92012-3 09344 ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS

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Technical Data | NSN 3120-01-083-2378

Characteristic Specifications
MATERIAL COPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR 22C SOLID
OVERALL LENGTH 0.2910 INCHES MINIMUM AND 0.3010 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 0.2498 INCHES MINIMUM AND 0.2502 INCHES MAXIMUM
BODY INSIDE DIAMETER 0.1248 INCHES MINIMUM AND 0.1252 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER 0.0932 INCHES MINIMUM AND 0.0942 INCHES MAXIMUM
FLANGE WIDTH 0.0210 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM
CORNER SHAPE SQUARE OUTSIDE LEFT CORNER SQUARE OUTSIDE RIGHT CORNER SQUARE INSIDE RIGHT CORNER SQUARE INSIDE LEFT CORNER SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER UNDERCUT LEFT FLANGE BODY CORNER
(NON-CORE DATA) UNDERCUT WIDTH 0.1250 INCHES NOMINAL
(NON-CORE DATA) UNDERCUT DEPTH 0.1250 INCHES NOMINAL
MANUFACTURERS CODE 29440
DESIGN CONTROL REFERENCE B4-18

Restrictions/Controls & Freight Information | NSN 3120-01-083-2378

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: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
NMF Description 114850 BEARING/BUSHING O/T BALL/ROLLER I/S
Less than car load rating R 65
Less than truck load rating Q 70.0
Water commodity Code 742 unknown
Originating Activity Code BF U.S. Army Armament and Chemical Acquisition and
Logistics Activity
Rock Island, IL 61299-6000
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 FF
Type of Cargo Z No special type of cargo code applicable

Management | NSN 3120-01-083-2378

Category Code Description
Materiel Category and Inventory ManagerM Ammunition weapons, and tracked combat vehicles weapons, special weapons, chemical and fire control materiel
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic CodeH Individual and Crew-Served Weapons
Weapons Systems/End Item or Homogeneous GroupH6Armament Subsystem, 20mm and Enhanced Fire Control System, XM97E2
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplyB14US Army Armament and Chemical Acquisition and Logistics
Activity
ATTN: AMSTA-AC
Rock Island, IL 61299-6000
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesASERVICE/AGENCY-REGULATED (Service/Agency use only.) # Issue, transfer or shipment is controlled by authorities above the ICP level to assure proper and equitable distribution. 1. The use or stockage of the item requires release authority based on prior or concurrent justification. 2. Requisitions will be submitted in accordance with Agency/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each