PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26590Bearing,sleeve

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3120-00-293-5546 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-293-5546 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-293-5546. Primary manufacturer part number: 26590.
Features
  • Bearing,sleeve — FSC 3120
  • Material Document and Classification: AMS 4846 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Groove Location and Quantity: 1 EXTERNAL
  • Body Outside Diameter: 2.6245 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN
  • Material: COPPER ALLOY 905 OVERALL
  • Surface Finish: 32.0 MICROINCHES RIGHT END SURFACE OF BODY
  • Lubricant Accommodation Style: GROOVED CIRCULAR
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 905 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-293-5546, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 17 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-293-5546
Primary Part Number26590
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Material Document and ClassificationAMS 4846 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Groove Location and Quantity1 EXTERNAL
Body Outside Diameter2.6245 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN
MaterialCOPPER ALLOY 905 OVERALL
Surface Finish32.0 MICROINCHES RIGHT END SURFACE OF BODY
Lubricant Accommodation StyleGROOVED CIRCULAR
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeCHAMFERED INSIDE LEFT CORNER
Surface Finish63.0 MICROINCHES RIGHT END SURFACE OF BODY AND FLANGE
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeCHAMFERED INSIDE RIGHT CORNER
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter2.4370 INCHES MINIMUM AND 2.4375 INCHES MAXIMUM IN
Surface Finish63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
Antirotation/lubrication Type and Quantity4 HOLE
Hole Diameter0.0625 INCHES NOMINAL FIRST IN
Surface Finish32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6515-00-332-6200NL10 INTERCHANGEABLE
Forceps,hemostatic Clip
Steris Corporation Dba Steris Applied Sterilization Technololgies
5960-00-809-293226590 INTERCHANGEABLE
Electron Tube
Unison Industries Llc
5985-01-175-2514B4014897-1 INTERCHANGEABLE
Coupler,directional
Department of the Army Hq United States Army Communications Research and Development Command
Cross-Reference Index
Part NumberManufacturer
26590 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
26590 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
6515-00-332-6200INTERCHANGEABLE
FORCEPS,HEMOSTATIC CLIP
NL10
5960-00-809-2932INTERCHANGEABLE
ELECTRON TUBE
26590
5985-01-175-2514INTERCHANGEABLE
COUPLER,DIRECTIONAL
B4014897-1

Frequently Asked Questions

What is NSN 3120-00-293-5546?

NSN 3120-00-293-5546 is a Bearing,sleeve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-293-5546?

NSN 3120-00-293-5546 has 2 cross-referenced part numbers: 26590 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 26590 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 3120-00-293-5546?

There are 3 known substitutes for 3120-00-293-5546: 6515-00-332-6200, 5960-00-809-2932, 5985-01-175-2514. Verify interchangeability with system specifications before substitution.

What are the specifications of 26590?

Key specifications for 26590: Material Document and Classification: AMS 4846 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Groove Location and Quantity: 1 EXTERNAL; Body Outside Diameter: 2.6245 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN; Material: COPPER ALLOY 905 OVERALL. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-293-5546 still in active supply?

NSN 3120-00-293-5546 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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