PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11-149Bearing,sleeve

Dresser Industries Inc Leroi Div · NSN 3120-00-371-6371 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-371-6371 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-371-6371. Primary manufacturer part number: 11-149.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SPLIT, PLAIN, NO OUTSIDE FLANGES
  • Body Inside Diameter: 1.8770 INCHES MINIMUM AND 1.8780 INCHES MAXIMUM IN
  • Hole Diameter: 0.2500 INCHES NOMINAL FIRST IN
  • Material: LEAD ALLOY INNER LAYER
  • Slot Width: 0.2500 INCHES NOMINAL FIRST IN
  • Slot Length: 0.3750 INCHES NOMINAL FIRST IN
  • Material Document and Classification: SE 13 ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Lead Alloy Inner Layer construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-371-6371, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-371-6371
Primary Part Number11-149
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusCANCELLED
Style DesignatorSPLIT, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter1.8770 INCHES MINIMUM AND 1.8780 INCHES MAXIMUM IN
Hole Diameter0.2500 INCHES NOMINAL FIRST IN
MaterialLEAD ALLOY INNER LAYER
Slot Width0.2500 INCHES NOMINAL FIRST IN
Slot Length0.3750 INCHES NOMINAL FIRST IN
Material Document and ClassificationSE 13 ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER
MaterialSTEEL OUTER LAYER
Corner ShapeSQUARE FOURTH OUTSIDE CORNER
Antirotation/lubrication Type and Quantity1 HOLE AND 1 SLOT
Corner ShapeCHAMFERED OUTSIDE RIGHT CORNER
Body Outside Diameter2.0050 INCHES MINIMUM AND 2.0060 INCHES MAXIMUM IN
Corner ShapeCHAMFERED OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
2520-00-127-146411149 INTERCHANGEABLE
Arm
Komatsu America Corporation
3120-00-148-210511149 INTERCHANGEABLE
Bearing,sleeve
Rps-Fl, Inc. Dba Rps Inc
5905-00-501-5191 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
5330-00-618-982411149 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
5340-00-632-325811149 INTERCHANGEABLE
Plug,vent
Fluid Conditioning Products, Inc.
6105-00-669-5392 INTERCHANGEABLE
Motor,alternating Current
5965-00-807-242811149 INTERCHANGEABLE
Microphone,dynamic
Astrocom Electronics Inc
5365-00-831-247811149 INTERCHANGEABLE
Shim Set
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
4920-00-876-496611149 INTERCHANGEABLE
Capsule,static
Elbitamerica, Inc.
4420-01-141-5989 INTERCHANGEABLE
Heat Exchanger
Cross-Reference Index
Part NumberManufacturer
11-149 Dresser, Llc (USA)
11-149 PRIMARY Dresser Industries Inc Leroi Div (USA)
S11-149 Dresser Industries Inc Leroi Div (USA)
610573 Aqua-Chem Inc Cleaver-Brooks Div (USA)
Related Parts
2520-00-127-1464INTERCHANGEABLE
ARM
11149
3120-00-148-2105INTERCHANGEABLE
BEARING,SLEEVE
11149
5905-00-501-5191INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
5330-00-618-9824INTERCHANGEABLE
GASKET
11149
5340-00-632-3258INTERCHANGEABLE
PLUG,VENT
11149
6105-00-669-5392INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5965-00-807-2428INTERCHANGEABLE
MICROPHONE,DYNAMIC
11149
5365-00-831-2478INTERCHANGEABLE
SHIM SET
11149
4920-00-876-4966INTERCHANGEABLE
CAPSULE,STATIC
11149
4420-01-141-5989INTERCHANGEABLE
HEAT EXCHANGER
6240-01-344-4826INTERCHANGEABLE
LAMP,METAL HALIDE
MVT325/C/I/U/WM

Frequently Asked Questions

What is NSN 3120-00-371-6371?

NSN 3120-00-371-6371 is a Bearing,sleeve, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-371-6371?

NSN 3120-00-371-6371 has 4 cross-referenced part numbers: 11-149 (Dresser, Llc), 11-149 (Dresser Industries Inc Leroi Div), S11-149 (Dresser Industries Inc Leroi Div), 610573 (Aqua-Chem Inc Cleaver-Brooks Div).

What NSN replaces 3120-00-371-6371?

There are 11 known substitutes for 3120-00-371-6371: 2520-00-127-1464, 3120-00-148-2105, 5905-00-501-5191 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11-149?

Key specifications for 11-149: Style Designator: SPLIT, PLAIN, NO OUTSIDE FLANGES; Body Inside Diameter: 1.8770 INCHES MINIMUM AND 1.8780 INCHES MAXIMUM IN; Hole Diameter: 0.2500 INCHES NOMINAL FIRST IN; Material: LEAD ALLOY INNER LAYER. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-371-6371 still in active supply?

NSN 3120-00-371-6371 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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