PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

89487Bearing,washer,thrust

Eaton Aerospace, Llc Dba Jackson South · NSN 3120-00-541-7025 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-541-7025 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-541-7025. Primary manufacturer part number: 89487.
Features
  • Bearing,washer,thrust — FSC 3120
  • Style Designator: ROUND
  • Corner Shape: CHAMFERED ALL CORNERS
  • Bearing Surface Hole Diameter: 0.2031 INCHES NOMINAL FIRST IN
  • Material Document and Classification: MIL-T-20154,TY A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Bearing Surface Hole Quantity: 4 FIRST
  • Surface Condition: LAPPED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-541-7025, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-541-7025
Primary Part Number89487
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Style DesignatorROUND
Corner ShapeCHAMFERED ALL CORNERS
Bearing Surface Hole Diameter0.2031 INCHES NOMINAL FIRST IN
Material Document and ClassificationMIL-T-20154,TY A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Bearing Surface Hole Quantity4 FIRST
Surface ConditionLAPPED
Hardness Rating80.0 ROCKWELL A MINIMUM AND 82.5 ROCKWELL A MAXIMUM OVERALL
Overall Thickness0.3110 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
Outside Diameter5.9000 INCHES MINIMUM AND 5.9002 INCHES MAXIMUM IN
Diameter4.7187 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3460-00-516-3294 INTERCHANGEABLE
Holder,drill
2990-01-622-455389487 INTERCHANGEABLE
Adjusting Device,belt-Chain Tens
Dayco Products Inc
Cross-Reference Index
Part NumberManufacturer
89487 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
3460-00-516-3294INTERCHANGEABLE
HOLDER,DRILL
2990-01-622-4553INTERCHANGEABLE
ADJUSTING DEVICE,BELT-CHAIN TENS
89487

Frequently Asked Questions

What is NSN 3120-00-541-7025?

NSN 3120-00-541-7025 is a Bearing,washer,thrust, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-541-7025?

NSN 3120-00-541-7025 has 1 cross-referenced part number: 89487 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 3120-00-541-7025?

There are 2 known substitutes for 3120-00-541-7025: 3460-00-516-3294, 2990-01-622-4553. Verify interchangeability with system specifications before substitution.

What are the specifications of 89487?

Key specifications for 89487: Style Designator: ROUND; Corner Shape: CHAMFERED ALL CORNERS; Bearing Surface Hole Diameter: 0.2031 INCHES NOMINAL FIRST IN; Material Document and Classification: MIL-T-20154,TY A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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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