Product Details | SELF-ALIGNING PLAIN BEARING

3120-01-176-8743 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: EL57170, 12323863, 3120-01-176-8743, 01-176-8743, 3120011768743, 011768743

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 17 APR 1984 01-176-8743

Drawings & Photos | NSN 3120-01-176-8743


Demand History | NSN 3120-01-176-8743

Part Number Request Date QTY Origin
12323863 2024-01-23 77 DIBBS
12323863 2024-01-15 77 DIBBS
12323863 2023-09-25 84 DIBBS
12323863 2023-09-17 84 DIBBS
12323863 2023-06-19 82 DIBBS
12323863 2023-03-20 1 DIBBS
12323863 2023-01-08 172 DIBBS
12323863 2022-12-29 172 DIBBS
3120-01-176-8743 2020-10-30 1 DIBBS-RFPs
12323863 2020-08-04 164 DIBBS
12323863 2020-05-14 101 DIBBS
12323863 2020-03-04 36 DIBBS
12323863 2020-02-25 36 DIBBS
12323863 2020-02-19 25 DIBBS
12323863 2020-02-11 25 DIBBS
3120-01-176-8743 2016-02-22 1 DIBBS-RFPs
3120-01-176-8743 2016-01-14 21 DIBBS
3120-01-176-8743 2014-08-11 17 DIBBS
3120-01-176-8743 2014-08-03 61 DIBBS
3120-01-176-8743 2014-07-22 99 DIBBS
3120-01-176-8743 2010-12-01 200 KR
3120-01-176-8743 2010-06-28 50 us

Cross Reference | NSN 3120-01-176-8743

Part Number Cage Code Manufacturer
12323863 15860 NEW HAMPSHIRE BALL BEARINGS, INC. DBA ASTRO DIVISION
12323863 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12323863 97613 DOVER ENGINEERED SYSTEMS, INC. DBA KAHR BEARING
EL57170 60380 TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT

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Technical Data | NSN 3120-01-176-8743

Characteristic Specifications
MATERIAL STEEL OUTER RACE MEMBER
SURFACE TREATMENT CHROMIUM OUTER RACE MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-C-320,CL2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RACE MEMBER
STYLE DESIGNATOR 11B WITHOUT INSERT OR LINER
BORE DIAMETER 4.3299 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 5.5110 INCHES MINIMUM AND 5.5118 INCHES MAXIMUM
OUTER MEMBER WIDTH 1.2940 INCHES MINIMUM AND 1.2990 INCHES MAXIMUM
INNER MEMBER WIDTH 1.5300 INCHES MINIMUM AND 1.5350 INCHES MAXIMUM
STATIC RADIAL LOAD RATING 356600 POUNDS
MANUFACTURERS CODE 19207
MFR SOURCE CONTROLLING REFERENCE 12323863

Restrictions/Controls & Freight Information | NSN 3120-01-176-8743

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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 114820 BEARINGS/BUSHINGS NOI BALL/ROLLER
Less than car load rating P 77.5
Less than truck load rating P 77.5
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
Type of Cargo Z No special type of cargo code applicable

Management | NSN 3120-01-176-8743

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
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 CodeJ Tanks
Weapons Systems/End Item or Homogeneous GroupJETank, M1 Abrams Family of Vehicles (FOV)
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 SupplySMSDefense Logistics Agency
Enterprise Business Systems
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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Z
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Z
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Z
EA : Each