Product Details | SELF-ALIGNING PLAIN BEARING

3120-00-661-7127 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: HSBG4S, RS4, 3120-00-661-7127, 00-661-7127, 3120006617127, 006617127

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1963 00-661-7127

Drawings & Photos | NSN 3120-00-661-7127


Demand History | NSN 3120-00-661-7127

Part Number Request Date QTY Origin
HSBG4S 2024-05-135 2 DIBBS
RS4 2024-05-135 2 DIBBS
3120-00-661-7127 2023-10-284 50 Italy
HSBG4S 2022-07-194 2 DIBBS
RS4 2022-07-194 2 DIBBS
HSBG4S 2022-06-158 1 DIBBS
RS4 2022-06-158 1 DIBBS
HSBG4S 2022-04-117 1 DIBBS
RS4 2022-04-117 1 DIBBS
3120-00-661-7127 2021-12-346 1 US
3120-00-661-7127 2021-11-307 1 US
HSBG4S 2017-12-352 8 Australia
3120-00-661-7127 2016-10-286 2 DIBBS
3120-00-661-7127 2016-09-259 2 DIBBS
3120-00-661-7127 2016-08-221 1 DIBBS
3120-00-661-7127 2016-07-213 1 DIBBS
3120-00-661-7127 2016-06-161 30 US
3120-00-661-7127 2014-10-296 1 DIBBS
3120-00-661-7127 2014-10-288 1 DIBBS
HSBG4S 2012-11-310 71
HSBG4S 2010-10-302 20 Italy

Cross Reference | NSN 3120-00-661-7127

Part Number Cage Code Manufacturer
HSBG4S 97613 DOVER ENGINEERED SYSTEMS, INC. DBA KAHR BEARING
RS4 99528 RADIAL BEARING CORPORATION

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Technical Data | NSN 3120-00-661-7127

Characteristic Specifications
MATERIAL STEEL COMP E52100 INNER MEMBER STEEL OUTER RACE MEMBER
HARDNESS RATING 59.0 ROCKWELL C NOMINAL INNER MEMBER 36.0 ROCKWELL C NOMINAL OUTER RACE MEMBER
SURFACE TREATMENT CHROMIUM INNER MEMBER CADMIUM OUTER RACE MEMBER
STYLE DESIGNATOR 11B WITHOUT INSERT OR LINER
BORE DIAMETER 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.2500 INCHES NOMINAL
INNER MEMBER WIDTH 0.3380 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM
LUBRICATION FEATURE GROOVE EXTERNAL OUTER MEMBER PERFORATION INNER MEMBER GROOVE INTERNAL INNER MEMBER PERFORATION OUTER RACE MEMBER

Restrictions/Controls & Freight Information | NSN 3120-00-661-7127

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 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 XX
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 3120-00-661-7127

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 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
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.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
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
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 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