PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D6128Bearing,sleeve

Koehring Co Lorain Div · NSN 3120-00-447-8480 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-447-8480 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-447-8480. Primary manufacturer part number: D6128.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Antirotation/lubrication Type and Quantity: 2 HOLE
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Style Designator: SEGMENTED, EXTERNAL FLANGE ONE END
  • Flange Width: 0.3100 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
  • Body Outside Diameter: 5.5000 INCHES MINIMUM AND 5.5024 INCHES MAXIMUM IN
  • Flange Outside Diameter: 7.2400 INCHES MINIMUM AND 7.2600 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 937 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-447-8480, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Koehring Co Lorain Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-447-8480
Primary Part NumberD6128
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerKoehring Co Lorain Div
StatusACTIVE
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Antirotation/lubrication Type and Quantity2 HOLE
Corner ShapeSQUARE INSIDE RIGHT CORNER
Style DesignatorSEGMENTED, EXTERNAL FLANGE ONE END
Flange Width0.3100 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
Body Outside Diameter5.5000 INCHES MINIMUM AND 5.5024 INCHES MAXIMUM IN
Flange Outside Diameter7.2400 INCHES MINIMUM AND 7.2600 INCHES MAXIMUM IN
Body Inside Diameter4.8750 INCHES MINIMUM AND 4.8770 INCHES MAXIMUM IN
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
MaterialCOPPER ALLOY 937 OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeCHAMFERED INSIDE LEFT CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-053-9592 INTERCHANGEABLE
Valve,regulating,fluid Pressure
3805-00-127-8384 INTERCHANGEABLE
Blade
3110-00-144-8663 INTERCHANGEABLE
Bearing,ball,annular
3455-00-231-352553-10008 INTERCHANGEABLE
Cutter,milling,shell End
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5935-00-283-20597608 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5310-00-416-92929170406-7 INTERCHANGEABLE
Washer,saddle
Us Army Aviation and Missile Command
5340-00-724-2647 INTERCHANGEABLE
Wheel,caster
6625-01-003-2910 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
4730-01-110-8626 INTERCHANGEABLE
Reducer,pipe
4330-01-227-0003 INTERCHANGEABLE
Filter
Cross-Reference Index
Part NumberManufacturer
D6128 Koehring Co Lorain Div (USA)
7608 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
7608 Koehring Co Lorain Div (USA)
D6128 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
Related Parts
4820-00-053-9592INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
3805-00-127-8384INTERCHANGEABLE
BLADE
3110-00-144-8663INTERCHANGEABLE
BEARING,BALL,ANNULAR
3455-00-231-3525INTERCHANGEABLE
CUTTER,MILLING,SHELL END
53-10008
5935-00-283-2059INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7608
5310-00-416-9292INTERCHANGEABLE
WASHER,SADDLE
9170406-7
5340-00-724-2647INTERCHANGEABLE
WHEEL,CASTER
6625-01-003-2910INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
4730-01-110-8626INTERCHANGEABLE
REDUCER,PIPE
4330-01-227-0003INTERCHANGEABLE
FILTER
3815-01-322-0536INTERCHANGEABLE
FAIRLEAD,ROLLER
6515-01-353-1054INTERCHANGEABLE
SURGICAL PACK,DISPOSABLE
7608

Frequently Asked Questions

What is NSN 3120-00-447-8480?

NSN 3120-00-447-8480 is a Bearing,sleeve, manufactured by Koehring Co Lorain Div, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-447-8480?

NSN 3120-00-447-8480 has 4 cross-referenced part numbers: D6128 (Koehring Co Lorain Div), 7608 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), 7608 (Koehring Co Lorain Div), D6128 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co).

What NSN replaces 3120-00-447-8480?

There are 12 known substitutes for 3120-00-447-8480: 4820-00-053-9592, 3805-00-127-8384, 3110-00-144-8663 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D6128?

Key specifications for D6128: Corner Shape: SQUARE OUTSIDE LEFT CORNER; Antirotation/lubrication Type and Quantity: 2 HOLE; Corner Shape: SQUARE INSIDE RIGHT CORNER; Style Designator: SEGMENTED, EXTERNAL FLANGE ONE END. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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