PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

220NBearing,sleeve

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 3120-00-661-7983 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-7983 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-7983. Primary manufacturer part number: 220N.
Features
  • Bearing,sleeve — FSC 3120
  • Surface Groove Location and Quantity: 1 INTERNAL
  • Material Document and Classification: MIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY 932 OVERALL
  • Body Outside Diameter: 1.4380 INCHES MINIMUM AND 1.4385 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 1.1890 INCHES MINIMUM AND 1.1895 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 932 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-661-7983, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-661-7983
Primary Part Number220N
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusACTIVE
Surface Groove Location and Quantity1 INTERNAL
Material Document and ClassificationMIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 932 OVERALL
Body Outside Diameter1.4380 INCHES MINIMUM AND 1.4385 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter1.1890 INCHES MINIMUM AND 1.1895 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lubricant Accommodation StyleGROOVED CLOSED BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5985-00-454-69245729-20 INTERCHANGEABLE
Attenuator,fixed
Spectrum Control Inc Div Weinschel
Cross-Reference Index
Part NumberManufacturer
220N Siemens Energy, Inc. Dba Dresser-Rand (USA)
220N PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
220N Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
220N Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
Related Parts
5985-00-454-6924INTERCHANGEABLE
ATTENUATOR,FIXED
5729-20

Frequently Asked Questions

What is NSN 3120-00-661-7983?

NSN 3120-00-661-7983 is a Bearing,sleeve, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-661-7983?

NSN 3120-00-661-7983 has 4 cross-referenced part numbers: 220N (Siemens Energy, Inc. Dba Dresser-Rand), 220N (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 220N (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 220N (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).

What NSN replaces 3120-00-661-7983?

There is 1 known substitute for 3120-00-661-7983: 5985-00-454-6924. Verify interchangeability with system specifications before substitution.

What are the specifications of 220N?

Key specifications for 220N: Overall Length: 2.0000 INCHES NOMINAL IN; Surface Groove Location and Quantity: 1 INTERNAL; Material Document and Classification: MIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY 932 OVERALL. 9 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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