PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DS250Bearing,sleeve

Energy Services Group Div of Cooper Industries Inc · NSN 3120-00-661-7973 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-7973 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-7973. Primary manufacturer part number: DS250.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 1.8140 INCHES MINIMUM AND 1.8150 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Body Inside Diameter: 1.5030 INCHES MINIMUM AND 1.5040 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • 2 verified cross-references
  • Primary manufacturer: Energy Services Group Div of Cooper Industries Inc
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 3120-00-661-7973, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Energy Services Group Div of Cooper Industries Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN3120-00-661-7973
Primary Part NumberDS250
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerEnergy Services Group Div of Cooper Industries Inc
StatusACTIVE
Body Outside Diameter1.8140 INCHES MINIMUM AND 1.8150 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Body Inside Diameter1.5030 INCHES MINIMUM AND 1.5040 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6625-00-431-8763 INTERCHANGEABLE
Divider,power,radio Frequency
5905-01-006-5141DS250 INTERCHANGEABLE
Resistor,thermal
Rtie Holdings Llc
Cross-Reference Index
Part NumberManufacturer
DS250 Energy Services Group Div of Cooper Industries Inc (USA)
2212-1171 Energy Services Group Div of Cooper Industries Inc (USA)
Related Parts
6625-00-431-8763INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
5905-01-006-5141INTERCHANGEABLE
RESISTOR,THERMAL
DS250

Frequently Asked Questions

What is NSN 3120-00-661-7973?

NSN 3120-00-661-7973 is a Bearing,sleeve, manufactured by Energy Services Group Div of Cooper Industries Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-661-7973?

NSN 3120-00-661-7973 has 2 cross-referenced part numbers: DS250 (Energy Services Group Div of Cooper Industries Inc), 2212-1171 (Energy Services Group Div of Cooper Industries Inc).

What NSN replaces 3120-00-661-7973?

There are 2 known substitutes for 3120-00-661-7973: 6625-00-431-8763, 5905-01-006-5141. Verify interchangeability with system specifications before substitution.

What are the specifications of DS250?

Key specifications for DS250: Body Outside Diameter: 1.8140 INCHES MINIMUM AND 1.8150 INCHES MAXIMUM IN; Material: COPPER ALLOY OVERALL; Body Inside Diameter: 1.5030 INCHES MINIMUM AND 1.5040 INCHES MAXIMUM IN; Overall Length: 1.6094 INCHES NOMINAL 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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