Product Details | SELF-ALIGNING PLAIN BEARING

3120-01-348-8580 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: MS21155B7, 3120-01-348-8580, 01-348-8580, 3120013488580, 013488580

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 18 NOV 1991 01-348-8580

Drawings & Photos | NSN 3120-01-348-8580


Demand History | NSN 3120-01-348-8580

Part Number Request Date QTY Origin
MS21155B7 2011-06-165 35 us
3120-01-348-8580 2010-05-124 4 United States
3120-01-348-8580 2008-01-16 50 DIBBS
3120-01-348-8580 2007-08-240 50 DIBBS
3120-01-348-8580 2007-06-165 1 DIBBS
3120-01-348-8580 2007-05-133 1 DIBBS
3120-01-348-8580 2007-02-58 1 DIBBS
3120-01-348-8580 2006-03-87 1 DIBBS

Cross Reference | NSN 3120-01-348-8580

Part Number Cage Code Manufacturer
MS21155B7 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21155B7 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 3120-01-348-8580

Characteristic Specifications
MATERIAL STEEL COMP 440C INNER MEMBER COPPER ALLOY 642 OR COPPER ALLOY 630 OUTER RACE MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER ASTM B124 ASSN STD ALL MATERIAL RESPONSES OR ASTM B150 ASSN STD ALL MATERIAL RESPONSES OR ASTM B283 ASSN STD 1ST MATERIAL RESPONSE OR AMS 4640 ASSN STD 2ND MATERIAL RESPONSE OUTER RACE MEMBER
HARDNESS RATING 56.0 ROCKWELL C MINIMUM INNER MEMBER 27.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
SURFACE TREATMENT CHROMIUM INNER MEMBER CADMIUM OUTER RACE MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RACE MEMBER
STYLE DESIGNATOR 11B WITHOUT INSERT OR LINER
BORE DIAMETER 0.4370 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 0.9057 INCHES MINIMUM AND 0.9062 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.3380 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM
INNER MEMBER WIDTH 0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS21155B7

Restrictions/Controls & Freight Information | NSN 3120-01-348-8580

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.
Category Code Description
NMF Description 114800 BEARING,ROLLER,THRUST
Less than car load rating
Less than truck load rating W Rating Variable
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 3120-01-348-8580

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each