Product Details | SELF-ALIGNING PLAIN BEARING

3120-01-347-9978 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: SWKN20400P, SWKN-20-400P, KNDB2021P, KNDB20-21P, KR20CNGBP, KR20-CNGBP, KSB204D, KSB20-4D, KSB204L1P, 0382520E017P, 03-825-20E-017P, 04A06420P, 04A064-20P, 3120-01-347-9978, 01-347-9978, 3120013479978, 013479978

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 03 NOV 1991 01-347-9978

Drawings & Photos | NSN 3120-01-347-9978


Demand History | NSN 3120-01-347-9978

Part Number Request Date QTY Origin
04A06420P 2010-01-26 10 United States
3120-01-347-9978 2010-01-22 10 US
04A06420P 2010-01-04 1 United States

Cross Reference | NSN 3120-01-347-9978

Part Number Cage Code Manufacturer
03-825-20E-017P 09455 RBC TRANSPORT DYNAMICS CORP. DIV RBC TRANSPORT DYNAMICS
04A064-20P 1W025 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
KNDB20-21P 97613 DOVER ENGINEERED SYSTEMS, INC. DBA KAHR BEARING
KR20-CNGBP 50632 KAMATICS CORPORATION
KSB20-4(L1)P 15860 NEW HAMPSHIRE BALL BEARINGS, INC. DBA ASTRO DIVISION
KSB20-4D 50294 NEW HAMPSHIRE BALL BEARINGS, INC. DBA NHBB
SWKN-20-400P 81376 RBC SOUTHWEST PRODUCTS, INC.

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Technical Data | NSN 3120-01-347-9978

Characteristic Specifications
MATERIAL STEEL COMP 440C INNER MEMBER STEEL COMP 630 OUTER RACE MEMBER PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER KARON,CAGEC 50632 MFR REF SINGLE MATERIAL RESPONSE RACE LINER
HARDNESS RATING 55.0 ROCKWELL C MINIMUM INNER MEMBER 28.0 ROCKWELL C MINIMUM OUTER RACE MEMBER
STYLE DESIGNATOR 10A WITH INSERT AND/OR LINER WITH STAKING GROOVE
BORE DIAMETER 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.9370 INCHES MINIMUM AND 0.9470 INCHES MAXIMUM
INNER MEMBER WIDTH 1.0910 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM
STATIC RADIAL LOAD RATING 108000 POUNDS

Restrictions/Controls & Freight Information | NSN 3120-01-347-9978

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:NThe item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
Category Code Description
No Freight Information

Management | NSN 3120-01-347-9978

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.
Materiel Management Aggregation CodeBQTN:B-2 TSSP, NORTHROP GRUMMAN
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