PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20488Bearing,sleeve

Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems · NSN 3120-01-024-4905 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-024-4905 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-024-4905. Primary manufacturer part number: 20488.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
  • Body Outside Diameter: 0.5270 INCHES MINIMUM AND 0.5310 INCHES MAXIMUM IN
  • Flange Width: 0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
  • Surface Finish: 125.0 MICROINCHES OVERALL
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-024-4905, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems. Government technical data includes 13 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-024-4905
Primary Part Number20488
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerEaton Corporation Dba Airframe Div Fuel & Motion Control Systems
StatusACTIVE
Body Inside Diameter0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
Body Outside Diameter0.5270 INCHES MINIMUM AND 0.5310 INCHES MAXIMUM IN
Flange Width0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
Surface Finish125.0 MICROINCHES OVERALL
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Flange Outside Diameter0.5950 INCHES MINIMUM AND 0.5980 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-223-0574 INTERCHANGEABLE
Backshell,electrical Connector
3120-00-695-731520-488 INTERCHANGEABLE
Bearing,washer,thrust
Dresser Industries Inc Leroi Div
5950-01-349-8456906150-0001 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5120-01-601-563220488 INTERCHANGEABLE
Punch Set,drift
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
20488 PRIMARY Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems (USA)
Related Parts
5935-00-223-0574INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
3120-00-695-7315INTERCHANGEABLE
BEARING,WASHER,THRUST
20-488
5950-01-349-8456INTERCHANGEABLE
TRANSFORMER,POWER
906150-0001
5120-01-601-5632INTERCHANGEABLE
PUNCH SET,DRIFT
20488

Frequently Asked Questions

What is NSN 3120-01-024-4905?

NSN 3120-01-024-4905 is a Bearing,sleeve, manufactured by Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-024-4905?

NSN 3120-01-024-4905 has 1 cross-referenced part number: 20488 (Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems).

What NSN replaces 3120-01-024-4905?

There are 4 known substitutes for 3120-01-024-4905: 5935-00-223-0574, 3120-00-695-7315, 5950-01-349-8456 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20488?

Key specifications for 20488: Body Inside Diameter: 0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN; Overall Length: 0.4400 INCHES MINIMUM AND 0.4700 INCHES MAXIMUM IN; Body Outside Diameter: 0.5270 INCHES MINIMUM AND 0.5310 INCHES MAXIMUM IN; Flange Width: 0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN. 14 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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