PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4784Bearing,sleeve

Federal-Mogul Corp Government Sales Dept · NSN 3120-00-859-4784 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-859-4784 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-859-4784. Primary manufacturer part number: 4784.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Inside Diameter: 1.4920 INCHES MINIMUM AND 1.4940 INCHES MAXIMUM IN
  • Body Outside Diameter: 1.6900 INCHES MINIMUM AND 1.6910 INCHES MAXIMUM IN
  • Surface Groove Location and Quantity: 1 INTERNAL
  • Antirotation/lubrication Type and Quantity: 1 HOLE
  • Corner Shape: CHAMFERED OUTSIDE LEFT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-859-4784, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-859-4784
Primary Part Number4784
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerFederal-Mogul Corp Government Sales Dept
StatusACTIVE
Corner ShapeSQUARE INSIDE LEFT CORNER
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter1.4920 INCHES MINIMUM AND 1.4940 INCHES MAXIMUM IN
Body Outside Diameter1.6900 INCHES MINIMUM AND 1.6910 INCHES MAXIMUM IN
Surface Groove Location and Quantity1 INTERNAL
Antirotation/lubrication Type and Quantity1 HOLE
Corner ShapeCHAMFERED OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
MaterialCOPPER ALLOY OVERALL
Hole Diameter0.5000 INCHES NOMINAL FIRST IN
Corner ShapeCHAMFERED OUTSIDE RIGHT CORNER
Lubricant Accommodation StyleGROOVED CIRCULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6640-00-250-4263 INTERCHANGEABLE
Test Tube,blood Collecting
5340-00-820-49901280605 INTERCHANGEABLE
Clevis,rod End
Naval Ship Systems Command
5360-01-101-9124 INTERCHANGEABLE
Spring
5360-01-250-92724784 INTERCHANGEABLE
Spring,helical,torsion
Lockheed Martin Corp
6515-01-443-30894784 INTERCHANGEABLE
Pad,foot,metatarsal
Viscolas Inc
6515-01-557-1869G47345 INTERCHANGEABLE
Coil,embolization
Cook Medical Llc
Cross-Reference Index
Part NumberManufacturer
182203-38 Siemens Energy, Inc. Dba Dresser-Rand (USA)
182203-38 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
182203-38 Ingersoll Rand Co (USA)
182203-38 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
4784 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
6640-00-250-4263INTERCHANGEABLE
TEST TUBE,BLOOD COLLECTING
5340-00-820-4990INTERCHANGEABLE
CLEVIS,ROD END
1280605
5360-01-101-9124INTERCHANGEABLE
SPRING
5360-01-250-9272INTERCHANGEABLE
SPRING,HELICAL,TORSION
4784
6515-01-443-3089INTERCHANGEABLE
PAD,FOOT,METATARSAL
4784
6515-01-557-1869INTERCHANGEABLE
COIL,EMBOLIZATION
G47345

Frequently Asked Questions

What is NSN 3120-00-859-4784?

NSN 3120-00-859-4784 is a Bearing,sleeve, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-859-4784?

NSN 3120-00-859-4784 has 5 cross-referenced part numbers: 182203-38 (Siemens Energy, Inc. Dba Dresser-Rand), 182203-38 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 182203-38 (Ingersoll Rand Co), 182203-38 (Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture), 4784 (Federal-Mogul Corp Government Sales Dept).

What NSN replaces 3120-00-859-4784?

There are 6 known substitutes for 3120-00-859-4784: 6640-00-250-4263, 5340-00-820-4990, 5360-01-101-9124 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4784?

Key specifications for 4784: Corner Shape: SQUARE INSIDE LEFT CORNER; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Body Inside Diameter: 1.4920 INCHES MINIMUM AND 1.4940 INCHES MAXIMUM IN; Body Outside Diameter: 1.6900 INCHES MINIMUM AND 1.6910 INCHES MAXIMUM IN. 13 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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