PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2158Bearing,sleeve

Del Mar Avionics, Llc · NSN 3120-00-580-3075 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-580-3075 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-580-3075. Primary manufacturer part number: 2158.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: SQUARE INSIDE LEFT CORNER
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 3120-00-580-3075, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Del Mar Avionics, Llc. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-580-3075
Primary Part Number2158
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerDel Mar Avionics, Llc
StatusACTIVE
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
MaterialCOPPER ALLOY OVERALL
Surface Finish125.0 MICROINCHES OVERALL
Flange Width0.0580 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
Body Outside Diameter0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
Flange Outside Diameter0.3120 INCHES NOMINAL IN
Body Inside Diameter0.1040 INCHES MINIMUM AND 0.1080 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-033-25252-158 INTERCHANGEABLE
Screw,machine
Unison Industries Llc
5962-00-086-7484 INTERCHANGEABLE
Microcircuit,digital
9540-00-145-5771 INTERCHANGEABLE
Angle,structural
3110-00-151-9559EE117063 ASSY 90015 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5999-00-295-62312158 INTERCHANGEABLE
Clamp,electrical
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5360-00-298-3188 INTERCHANGEABLE
Spring,helical,compression
3415-00-407-1424 INTERCHANGEABLE
Grinding Machine,centerless,exte
5985-00-427-521620-2649 INTERCHANGEABLE
Coupler,rotary,radio Frequency
Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc
5310-00-582-985210015465-013 INTERCHANGEABLE
Washer,shouldered
Us Army Aviation and Missile Command
2805-00-740-1375630396 INTERCHANGEABLE
Strainer,oil Pump
Am General Llc
Cross-Reference Index
Part NumberManufacturer
2158 Del Mar Avionics, Llc (USA)
Related Parts
5305-00-033-2525INTERCHANGEABLE
SCREW,MACHINE
2-158
5962-00-086-7484INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
9540-00-145-5771INTERCHANGEABLE
ANGLE,STRUCTURAL
3110-00-151-9559INTERCHANGEABLE
BEARING,ROLLER,TAPERED
EE117063 ASSY 90015
5999-00-295-6231INTERCHANGEABLE
CLAMP,ELECTRICAL
2158
5360-00-298-3188INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3415-00-407-1424INTERCHANGEABLE
GRINDING MACHINE,CENTERLESS,EXTE
5985-00-427-5216INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
20-2649
5310-00-582-9852INTERCHANGEABLE
WASHER,SHOULDERED
10015465-013
2805-00-740-1375INTERCHANGEABLE
STRAINER,OIL PUMP
630396
6240-00-905-6050INTERCHANGEABLE
LAMP,INCANDESCENT
5815-00-975-9699INTERCHANGEABLE
SHAFT

Frequently Asked Questions

What is NSN 3120-00-580-3075?

NSN 3120-00-580-3075 is a Bearing,sleeve, manufactured by Del Mar Avionics, Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-580-3075?

NSN 3120-00-580-3075 has 1 cross-referenced part number: 2158 (Del Mar Avionics, Llc).

What NSN replaces 3120-00-580-3075?

There are 12 known substitutes for 3120-00-580-3075: 5305-00-033-2525, 5962-00-086-7484, 9540-00-145-5771 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2158?

Key specifications for 2158: Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 14 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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