PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6587Bearing,sleeve

Spx Flow Us, Llc Dba Spx Valves & Controls · NSN 3120-00-301-8044 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-301-8044 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-301-8044. Primary manufacturer part number: 6587.
Features
  • Bearing,sleeve — FSC 3120
  • Material: COPPER ALLOY OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
  • Body Outside Diameter: 0.5310 INCHES MINIMUM AND 0.5320 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Spx Flow Us, Llc Dba Spx Valves & Controls
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-301-8044, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Spx Flow Us, Llc Dba Spx Valves & Controls. Government technical data includes 5 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-301-8044
Primary Part Number6587
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerSpx Flow Us, Llc Dba Spx Valves & Controls
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
Body Outside Diameter0.5310 INCHES MINIMUM AND 0.5320 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2815-00-146-7501 INTERCHANGEABLE
Shaft,idler Gear
5950-00-186-833006291 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc. Div Space and Airborne Systems
5960-00-553-7010 INTERCHANGEABLE
Electron Tube
5331-00-599-2537MS29513-223 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4030-00-641-2529 INTERCHANGEABLE
Terminal,rope,swaging
6625-00-714-39936587 INTERCHANGEABLE
Meter,electrical Frequency
The Dewey Electronics Corporation Div Pitometer Log Division
5960-00-800-0590 INTERCHANGEABLE
Electron Tube
5960-00-836-6504 INTERCHANGEABLE
Electron Tube
5340-01-617-4337 INTERCHANGEABLE
Grip,handle
Cross-Reference Index
Part NumberManufacturer
6587 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
Related Parts
2815-00-146-7501INTERCHANGEABLE
SHAFT,IDLER GEAR
5950-00-186-8330INTERCHANGEABLE
TRANSFORMER,POWER
06291
5960-00-553-7010INTERCHANGEABLE
ELECTRON TUBE
5331-00-599-2537INTERCHANGEABLE
O-RING
MS29513-223
4030-00-641-2529INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
6625-00-714-3993INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
6587
5960-00-800-0590INTERCHANGEABLE
ELECTRON TUBE
5960-00-836-6504INTERCHANGEABLE
ELECTRON TUBE
5340-01-617-4337INTERCHANGEABLE
GRIP,HANDLE

Frequently Asked Questions

What is NSN 3120-00-301-8044?

NSN 3120-00-301-8044 is a Bearing,sleeve, manufactured by Spx Flow Us, Llc Dba Spx Valves & Controls, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-301-8044?

NSN 3120-00-301-8044 has 1 cross-referenced part number: 6587 (Spx Flow Us, Llc Dba Spx Valves & Controls).

What NSN replaces 3120-00-301-8044?

There are 9 known substitutes for 3120-00-301-8044: 2815-00-146-7501, 5950-00-186-8330, 5960-00-553-7010 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6587?

Key specifications for 6587: Material: COPPER ALLOY OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Corner Shape: SQUARE ALL CORNERS; Body Inside Diameter: 0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN. 6 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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