NSN 3120-01-349-0988 12576040, 01-349-0988, 013490988

Product Details | SELF-ALIGNING PLAIN BEARING

3120-01-349-0988 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: 12576040, 3120-01-349-0988, 01-349-0988, 3120013490988, 013490988

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
31	21 NOV 1991	01-349-0988	13208 ( BEARING, PLAIN, SELF-ALIGNING )

Drawings & Photos | NSN 3120-01-349-0988

Part Number	Request Date	QTY	Origin
12576040	2025-09-251	725	DIBBS
12576040	2025-09-245	367	DIBBS
12576040	2025-06-167	56	DIBBS
12576040	2024-09-260	205	DIBBS
12576040	2024-06-171	125	DIBBS
12576040	2020-12-364	49	DIBBS
12576040	2020-11-328	183	DIBBS
3120-01-349-0988	2020-10-304	1	DIBBS-RFPs
12576040	2020-06-177	47	DIBBS
3120-01-349-0988	2015-11-309	1	DIBBS-RFPs
3120-01-349-0988	2015-07-188	184	DIBBS
3120-01-349-0988	2014-07-182	153	DIBBS
3120-01-349-0988	2012-10-278	102	DIBBS
3120-01-349-0988	2009-11-329	40	DE
3120-01-349-0988	2009-09-247	8	US
3120-01-349-0988	2009-08-236	200	US
3120-01-349-0988	2009-08-233	25	US
3120-01-349-0988	2009-05-149	30	Spain
12576040	2008-05-130	265	Canada
3120-01-349-0988	2008-02-53	183	DIBBS
12576040	2007-12-341	265	Canada
3120-01-349-0988	2007-09-253	86	DIBBS
3120-01-349-0988	2007-05-143	280	DIBBS
3120-01-349-0988	2007-02-59	593	DIBBS

Cross Reference | NSN 3120-01-349-0988

Part Number	Cage Code	Manufacturer
12576040	19200	US ARMY ARDEC RDECOM
12576040	73134	ROLLER BEARING COMPANY OF AMERICA, INC.
12576040	81376	RBC SOUTHWEST PRODUCTS, INC.
12576040	97613	DOVER ENGINEERED SYSTEMS, INC. DBA KAHR BEARING
12576040	99528	RADIAL BEARING CORPORATION

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Related Products | NSN 3120-01-349-0988

3120-01-349-0989, 3120-01-349-0990, 3120-01-349-1868, 3120-01-349-2864, 3120-01-349-2865

Technical Data | NSN 3120-01-349-0988

Characteristic	Specifications
MATERIAL	COPPER ALLOY 172 OR COPPER ALLOY 173 INNER MEMBER STEEL COMP 630 OUTER RACE MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B196 ASSN STD ALL MATERIAL RESPONSES INNER MEMBER AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
HARDNESS RATING	37.0 ROCKWELL C MINIMUM INNER MEMBER 28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
STYLE DESIGNATOR	11B WITHOUT INSERT OR LINER
BORE DIAMETER	1.5000 INCHES MINIMUM AND 1.5007 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER	2.9993 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM
OUTER MEMBER WIDTH	1.1800 INCHES MINIMUM AND 1.1940 INCHES MAXIMUM
INNER MEMBER WIDTH	1.4950 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM
LUBRICATION MATERIAL	GREASE, MIL-G-81322
LUBRICATION FEATURE	GROOVE AND PERFORATION INNER MEMBER
STATIC RADIAL LOAD RATING	225000 POUNDS

Restrictions/Controls & Freight Information | NSN 3120-01-349-0988

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item 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:	0	Represents 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	114870	BEARING/BUSHING METAL
Less than car load rating
Less than truck load rating	P	77.5
Water commodity Code	742	unknown
Originating Activity Code	KH	Defense Industrial Supply Center Philadelphia, PA 19111
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 3120-01-349-0988

Army

Category	Code	Description
Materiel Category and Inventory Manager	T	Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	0	Medical Materiel
Weapons Systems/End Item or Homogeneous Group	00	DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements Code	X	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 Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	Z	INSURANCE/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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each