PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

181422Bearing,sleeve

Lake Shore Systems, Inc. · NSN 3120-00-899-2123 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-899-2123 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-899-2123. Primary manufacturer part number: 181422.
Features
  • Bearing,sleeve — FSC 3120
  • Flange Outside Diameter: 5.0000 INCHES NOMINAL IN
  • Surface Finish: 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Lubricant Accommodation Style: GROOVED FIGURE 8
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Polyvinyl Chloride (pvc) Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-899-2123, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-899-2123
Primary Part Number181422
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerLake Shore Systems, Inc.
StatusACTIVE
Flange Outside Diameter5.0000 INCHES NOMINAL IN
Surface Finish63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Lubricant Accommodation StyleGROOVED FIGURE 8
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Surface Finish250.0 MICROINCHES RIGHT END SURFACE OF BODY
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Surface Finish63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
Body Inside Diameter3.5100 INCHES MINIMUM AND 3.5120 INCHES MAXIMUM IN
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Surface Finish63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
Flange Width0.3281 INCHES MINIMUM AND 0.3437 INCHES MAXIMUM IN
Body Outside Diameter4.2550 INCHES MINIMUM AND 4.2560 INCHES MAXIMUM IN
Surface Finish125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-809-1871 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
181422 PRIMARY Lake Shore Systems, Inc. (USA)
Related Parts
5961-00-809-1871INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 3120-00-899-2123?

NSN 3120-00-899-2123 is a Bearing,sleeve, manufactured by Lake Shore Systems, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-899-2123?

NSN 3120-00-899-2123 has 1 cross-referenced part number: 181422 (Lake Shore Systems, Inc.).

What NSN replaces 3120-00-899-2123?

There is 1 known substitute for 3120-00-899-2123: 5961-00-809-1871. Verify interchangeability with system specifications before substitution.

What are the specifications of 181422?

Key specifications for 181422: Flange Outside Diameter: 5.0000 INCHES NOMINAL IN; Surface Finish: 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE INSIDE LEFT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 19 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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