Product Details | SELF-ALIGNING PLAIN BEARING

3120-01-421-4842 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: M81936/2-8R, M8193628R, AS81936/2-8R, AS8193628R, 3120-01-421-4842, 01-421-4842, 3120014214842, 014214842

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 09 NOV 1995 01-421-4842

Drawings & Photos | NSN 3120-01-421-4842


Demand History | NSN 3120-01-421-4842

Part Number Request Date QTY Origin
3120-01-421-4842 2023-03-81 50 CN
3120-01-421-4842 2022-12-355 1 US
M8193628R 2022-12-353 2 United States
3120-01-421-4842 2022-12-339 1 United States
M8193628R 2022-08-223 50 CN
M8193628R 2022-08-220 40 US
3120-01-421-4842 2022-02-59 30 CN
3120-01-421-4842 2022-02-54 30 CN
M8193628R 2021-12-351 10 China
3120-01-421-4842 2021-12-351 10 GU
3120-01-421-4842 2021-12-351 10 CN
3120-01-421-4842 2021-10-302 10 China
M8193628R 2016-04-116 40 CN
M8193628R 2014-11-305 6 CN
M8193628R 2014-10-304 6 CN
M8193628R 2014-06-171 10 HK
M8193628R 2013-10-295 10 China
3120-01-421-4842 2013-10-293 100 CN
M8193628R 2011-01-27 100 CN
M8193628R 2010-01-20 2 China
M8193628R 2007-10-297 15 us

Cross Reference | NSN 3120-01-421-4842

Part Number Cage Code Manufacturer
AS81936/2-8R 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
M81936/2-8R 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 3120-01-421-4842

Characteristic Specifications
MATERIAL BERYLLIUM COPPER INNER MEMBER STEEL COMP 630 OUTER RACE MEMBER
STYLE DESIGNATOR 11B WITHOUT INSERT OR LINER
BORE DIAMETER 5.0000 INCHES NOMINAL
OUTER MEMBER OUTSIDE DIAMETER 1.0000 INCHES NOMINAL
OUTER MEMBER WIDTH 0.3900 INCHES NOMINAL
INNER MEMBER WIDTH 0.5000 INCHES NOMINAL
SPECIAL FEATURES LUBE GROOVES AND GREASE HOLES IN RACE ONLY

Restrictions/Controls & Freight Information | NSN 3120-01-421-4842

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
No Freight Information

Management | NSN 3120-01-421-4842

Category Code Description
Materiel Management Aggregation CodeBATB:C-17 PROGRAM
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.
Budget CodeS 1557X3010:Aircraft Replenishment Spares
Source of SupplyF77Boeing Military Transportation Aircraft
Los Angeles, CA 90307-3044
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