PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BLFN4-011REVBBearing,plain,self-Aligning

Rbc Southwest Products, Inc. · NSN 3120-01-181-2352 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-181-2352 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-181-2352. Primary manufacturer part number: BLFN4-011REVB.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Material: STEEL OVERALL
  • Style Designator: WITHOUT INSERT OR LINER
  • Inner Member Width: 0.2500 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Rbc Southwest Products, Inc.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-181-2352, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rbc Southwest Products, Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-01-181-2352
Primary Part NumberBLFN4-011REVB
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRbc Southwest Products, Inc.
StatusCANCELLED
MaterialSTEEL OVERALL
Style DesignatorWITHOUT INSERT OR LINER
Inner Member Width0.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5310-00-185-6461 INTERCHANGEABLE
Nut,plain,round
5977-00-377-48243666 INTERCHANGEABLE
Ring,electrical Contact
Kurz & Root Generator Company, Llc
5950-00-449-014136661 INTERCHANGEABLE
Transformer,audio Frequency
Freed Transformer Co
4730-01-485-558536661 INTERCHANGEABLE
Adapter,straight,tube to Boss
Lourdes Industries, Inc.
5120-01-673-7481EP-0023106 INTERCHANGEABLE
Key,socket Head Screw
Independent Rough Terrain Center Llc
Cross-Reference Index
Part NumberManufacturer
BLFN4-011REVB PRIMARY Rbc Southwest Products, Inc. (USA)
36661 Cadillac Gage Textron Inc. (USA)
BLFN4-011 Rbc Southwest Products, Inc. (USA)
Related Parts
5310-00-185-6461INTERCHANGEABLE
NUT,PLAIN,ROUND
5977-00-377-4824INTERCHANGEABLE
RING,ELECTRICAL CONTACT
3666
5950-00-449-0141INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
36661
4730-01-485-5585INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
36661
5120-01-673-7481INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
EP-0023106

Frequently Asked Questions

What is NSN 3120-01-181-2352?

NSN 3120-01-181-2352 is a Bearing,plain,self-Aligning, manufactured by Rbc Southwest Products, Inc., classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-01-181-2352?

NSN 3120-01-181-2352 has 3 cross-referenced part numbers: BLFN4-011REVB (Rbc Southwest Products, Inc.), 36661 (Cadillac Gage Textron Inc.), BLFN4-011 (Rbc Southwest Products, Inc.).

What NSN replaces 3120-01-181-2352?

There are 5 known substitutes for 3120-01-181-2352: 5310-00-185-6461, 5977-00-377-4824, 5950-00-449-0141 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BLFN4-011REVB?

Key specifications for BLFN4-011REVB: Material: STEEL OVERALL; Style Designator: WITHOUT INSERT OR LINER; Inner Member Width: 0.2500 INCHES NOMINAL IN; End Item Identification: SERVOCYLINDER ASSEMBLY,AIRCRAFT MODEL SH-2F. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-01-181-2352 still in active supply?

NSN 3120-01-181-2352 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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