PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20487Bearing,sleeve

Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems · NSN 3120-01-025-7150 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-025-7150 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-025-7150. Primary manufacturer part number: 20487.
Features
  • Bearing,sleeve — FSC 3120
  • Left Internal Flange Hole Diameter: 0.1250 INCHES NOMINAL IN
  • Left Internal Flange Width: 0.0150 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM IN
  • Body Outside Diameter: 0.5270 INCHES MINIMUM AND 0.5310 INCHES MAXIMUM IN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
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 3120-01-025-7150, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN3120-01-025-7150
Primary Part Number20487
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerEaton Corporation Dba Airframe Div Fuel & Motion Control Systems
StatusACTIVE
Left Internal Flange Hole Diameter0.1250 INCHES NOMINAL IN
Left Internal Flange Width0.0150 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM IN
Body Outside Diameter0.5270 INCHES MINIMUM AND 0.5310 INCHES MAXIMUM IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
7690-00-083-575720487 INTERCHANGEABLE
Decal
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
5935-00-199-2635 INTERCHANGEABLE
Connector,plug,electrical
5331-01-058-402520487 INTERCHANGEABLE
O-Ring
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
3020-01-315-410620487-1 INTERCHANGEABLE
Pulley,groove
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
5310-01-499-356920487 INTERCHANGEABLE
Nut,self-Locking,hexagon
Itw Gse Inc.
4820-01-522-060920487 INTERCHANGEABLE
Piston,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
01217150 Szczypski, Michael (USA)
20487 PRIMARY Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems (USA)
Related Parts
7690-00-083-5757INTERCHANGEABLE
DECAL
20487
5935-00-199-2635INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5331-01-058-4025INTERCHANGEABLE
O-RING
20487
3020-01-315-4106INTERCHANGEABLE
PULLEY,GROOVE
20487-1
5310-01-499-3569INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
20487
4820-01-522-0609INTERCHANGEABLE
PISTON,VALVE
20487

Frequently Asked Questions

What is NSN 3120-01-025-7150?

NSN 3120-01-025-7150 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 3120-01-025-7150?

NSN 3120-01-025-7150 has 2 cross-referenced part numbers: 01217150 (Szczypski, Michael), 20487 (Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems).

What NSN replaces 3120-01-025-7150?

There are 6 known substitutes for 3120-01-025-7150: 7690-00-083-5757, 5935-00-199-2635, 5331-01-058-4025 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20487?

Key specifications for 20487: Left Internal Flange Hole Diameter: 0.1250 INCHES NOMINAL IN; Left Internal Flange Width: 0.0150 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM IN; Body Outside Diameter: 0.5270 INCHES MINIMUM AND 0.5310 INCHES MAXIMUM IN; Overall Length: 0.4550 INCHES MINIMUM AND 0.4950 INCHES MAXIMUM IN. 8 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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