PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12051Bearing,sleeve

Cummins Power Generation Inc. · NSN 3120-00-354-3120 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-354-3120 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-354-3120. Primary manufacturer part number: 12051.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 1.8230 INCHES MINIMUM AND 1.8245 INCHES MAXIMUM IN
  • Body Inside Diameter: 1.6885 INCHES MINIMUM AND 1.6890 INCHES MAXIMUM IN
  • Antirotation/lubrication Type and Quantity: 1 HOLE
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: COPPER ALLOY OVERALL
  • 2 verified cross-references
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 3120-00-354-3120, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-354-3120
Primary Part Number12051
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCummins Power Generation Inc.
StatusACTIVE
Body Outside Diameter1.8230 INCHES MINIMUM AND 1.8245 INCHES MAXIMUM IN
Body Inside Diameter1.6885 INCHES MINIMUM AND 1.6890 INCHES MAXIMUM IN
Antirotation/lubrication Type and Quantity1 HOLE
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6680-00-010-13771205-1 INTERCHANGEABLE
Indicator
Mission Systems Davenport Inc.
5895-00-034-4985SMC423275 INTERCHANGEABLE
Sweep Generator Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2530-00-040-2687 INTERCHANGEABLE
Detent Plate
5110-00-234-65555110-01-434-9891 INTERCHANGEABLE
File,hand
General Services Administration Federal Supply Service
5910-00-323-028012051 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Curtiss-Wright Controls, Inc. Div Actuation Division
5940-00-643-50101205-1 INTERCHANGEABLE
Terminal,stud
Hermetic Seal Corporation Div Ametek Inc.
5305-00-789-069412051 INTERCHANGEABLE
Screw,cap,socket Head
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5315-00-837-2450 INTERCHANGEABLE
Pin,straight,headless
5930-01-155-7368 INTERCHANGEABLE
Switch,push
5999-01-237-5376479637 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
12051 PRIMARY Cummins Power Generation Inc. (USA)
101A103 Cummins Power Generation Inc. (USA)
Related Parts
6680-00-010-1377INTERCHANGEABLE
INDICATOR
1205-1
5895-00-034-4985INTERCHANGEABLE
SWEEP GENERATOR SUBASSEMBLY
SMC423275
2530-00-040-2687INTERCHANGEABLE
DETENT PLATE
5110-00-234-6555INTERCHANGEABLE
FILE,HAND
5110-01-434-9891
5910-00-323-0280INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
12051
5940-00-643-5010INTERCHANGEABLE
TERMINAL,STUD
1205-1
5305-00-789-0694INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12051
5315-00-837-2450INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5930-01-155-7368INTERCHANGEABLE
SWITCH,PUSH
5999-01-237-5376INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
479637
5310-01-267-9129INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1205-1
6625-01-326-4114INTERCHANGEABLE
MIXER STAGE,FREQUENCY
12051

Frequently Asked Questions

What is NSN 3120-00-354-3120?

NSN 3120-00-354-3120 is a Bearing,sleeve, manufactured by Cummins Power Generation Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-354-3120?

NSN 3120-00-354-3120 has 2 cross-referenced part numbers: 12051 (Cummins Power Generation Inc.), 101A103 (Cummins Power Generation Inc.).

What NSN replaces 3120-00-354-3120?

There are 12 known substitutes for 3120-00-354-3120: 6680-00-010-1377, 5895-00-034-4985, 2530-00-040-2687 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12051?

Key specifications for 12051: Overall Length: 1.3125 INCHES NOMINAL IN; Body Outside Diameter: 1.8230 INCHES MINIMUM AND 1.8245 INCHES MAXIMUM IN; Body Inside Diameter: 1.6885 INCHES MINIMUM AND 1.6890 INCHES MAXIMUM IN; Antirotation/lubrication Type and Quantity: 1 HOLE. 7 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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