Product Details | SELF-ALIGNING PLAIN BEARING

3120-00-939-8220 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: BSH18ATC36E9903, KWB9N, 176034, 3120-00-939-8220, 00-939-8220, 3120009398220, 009398220

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 21 DEC 1965 00-939-8220

Drawings & Photos | NSN 3120-00-939-8220


Demand History | NSN 3120-00-939-8220

Part Number Request Date QTY Origin
BSH18ATC36E9903 2024-07-199 34 DIBBS
BSH18ATC36E9903 2024-06-168 36 DIBBS
BSH18ATC36E9903 2024-04-102 33 DIBBS
BSH18ATC36E9903 2024-03-73 9 DIBBS
3120-00-939-8220 2018-08-220 70 DIBBS
3120-00-939-8220 2018-06-158 32 DIBBS
3120-00-939-8220 2018-02-39 46 DIBBS
3120-00-939-8220 2017-12-346 140 DIBBS
KWB9N 2017-11-324 1 US
3120-00-939-8220 2017-09-257 4 TR
3120-00-939-8220 2016-07-194 72 DIBBS
3120-00-939-8220 2016-02-54 137 DIBBS
3120-00-939-8220 2016-01-20 24 DIBBS
3120-00-939-8220 2016-01-12 126 DIBBS
3120-00-939-8220 2015-12-343 24 DIBBS
3120-00-939-8220 2015-11-323 10 DIBBS
3120-00-939-8220 2015-08-243 78 DIBBS
3120-00-939-8220 2014-11-328 52 DIBBS
3120-00-939-8220 2014-11-310 12 United States
KWB9N 2013-09-269 4 LK
KWB9N 2013-08-231 10 United States
3120-00-939-8220 2013-05-132 69 DIBBS
KWB9N 2012-09-249 4 Germany
009398220 2012-08-241 8 UK
3120-00-939-8220 2012-08-233 79 DIBBS
3120-00-939-8220 2010-11-326 50 DIBBS
3120-00-939-8220 2010-08-217 199 DIBBS
3120-00-939-8220 2010-06-175 39 DIBBS
3120-00-939-8220 2010-01-25 1 US
3120-00-939-8220 2009-03-77 52 DIBBS
KWB9N 2009-03-72 40 Argentina
3120-00-939-8220 2009-02-36 169 DIBBS
3120-00-939-8220 2009-01-27 169 DIBBS
3120-00-939-8220 2008-12-354 95 DIBBS
3120-00-939-8220 2008-02-43 1 us
KWB9N 2007-02-50 80 France

Cross Reference | NSN 3120-00-939-8220

Part Number Cage Code Manufacturer
176034 09455 RBC TRANSPORT DYNAMICS CORP. DIV RBC TRANSPORT DYNAMICS
BSH18ATC36E9903 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
BSH18ATC36E9903 3NPS1 RBC AIRCRAFT PRODUCTS, INC.
KWB9N 97613 DOVER ENGINEERED SYSTEMS, INC. DBA KAHR BEARING

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Technical Data | NSN 3120-00-939-8220

Characteristic Specifications
MATERIAL STEEL COMP E52100 INNER MEMBER STEEL CORROSION RESISTING OUTER RACE MEMBER PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
SURFACE TREATMENT CHROMIUM INNER MEMBER PASSIVATE OUTER RACE MEMBER
STYLE DESIGNATOR 10A WITH INSERT AND/OR LINER WITH STAKING GROOVE
BORE DIAMETER 0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 1.1245 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.5310 INCHES MINIMUM AND 0.5410 INCHES MAXIMUM
INNER MEMBER WIDTH 0.6820 INCHES MINIMUM AND 0.6870 INCHES MAXIMUM
LUBRICATION MATERIAL GREASE, MIL-G-23827
STATIC RADIAL LOAD RATING 37000 POUNDS
SPECIAL FEATURES 1.0000 IN. TO 5.0000 IN. LG ROTATIONAL PRELOAD TORQUE,11.0 DEG MISALIGNMENT IN EITHER DIRECTION,ID AND OD CONCENTRIC WITHIN 0.0050 IN. TIR

Restrictions/Controls & Freight Information | NSN 3120-00-939-8220

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:UPrecious metal type is unknown
Criticality Code:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
Category Code Description
NMF Description 114850 BEARING/BUSHING O/T BALL/ROLLER I/S
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 742 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
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 3120-00-939-8220

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 Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
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
1
EA : Each
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 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
1
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
1
EA : Each