PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

657D249-001Bearing,sleeve

Waukesha Bearings Corporation · NSN 3120-00-472-4723 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-472-4723 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-472-4723. Primary manufacturer part number: 657D249-001.
Features
  • Bearing,sleeve — FSC 3120
  • 5 verified cross-references
  • Primary manufacturer: Waukesha Bearings Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-472-4723, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Waukesha Bearings Corporation. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersWaukesha Bearings Corporation (CAGE 07332); General Electric Company (CAGE 01289); Rps-Fl, Inc. Dba Rps Inc (CAGE 54402); Pioneer Motor Bearing Co. (CAGE 07325)
Technical Specifications
ParameterValue
NSN3120-00-472-4723
Primary Part Number657D249-001
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerWaukesha Bearings Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-143-9282SAE J246 6-8 120202BA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
5330-00-197-9612 INTERCHANGEABLE
Packing,preformed
4720-00-409-584811264 INTERCHANGEABLE
Tubing,nonmetallic
Elbitamerica, Inc.
2590-00-572-4788 INTERCHANGEABLE
Connector and Lead
5360-00-989-452611264 INTERCHANGEABLE
Spring,helical,compression
Aerco International, Inc. Dba Aerco International Inc
6110-01-037-216311264 INTERCHANGEABLE
Starter,motor
Aviation Technology, Inc.
5310-01-250-461911264 INTERCHANGEABLE
Nut,special
K-B Axle Co Inc
5330-01-287-8226 INTERCHANGEABLE
Gasket
4810-01-379-911211264 INTERCHANGEABLE
Body,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5120-01-430-7835 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
657D249-001 PRIMARY Waukesha Bearings Corporation (USA)
657D249-001 General Electric Company (USA)
11264 Rps-Fl, Inc. Dba Rps Inc (USA)
657D249-001 PRIMARY Rps-Fl, Inc. Dba Rps Inc (USA)
657D249-001 Pioneer Motor Bearing Co. (USA)
Related Parts
4730-00-143-9282INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J246 6-8 120202BA
5330-00-197-9612INTERCHANGEABLE
PACKING,PREFORMED
4720-00-409-5848INTERCHANGEABLE
TUBING,NONMETALLIC
11264
2590-00-572-4788INTERCHANGEABLE
CONNECTOR AND LEAD
5360-00-989-4526INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
11264
6110-01-037-2163INTERCHANGEABLE
STARTER,MOTOR
11264
5310-01-250-4619INTERCHANGEABLE
NUT,SPECIAL
11264
5330-01-287-8226INTERCHANGEABLE
GASKET
4810-01-379-9112INTERCHANGEABLE
BODY,VALVE
11264
5120-01-430-7835INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6505-01-573-3574INTERCHANGEABLE
DROSPIRENONE AND ETHINYL ESTRADI
GIANVI

Frequently Asked Questions

What is NSN 3120-00-472-4723?

NSN 3120-00-472-4723 is a Bearing,sleeve, manufactured by Waukesha Bearings Corporation, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-472-4723?

NSN 3120-00-472-4723 has 5 cross-referenced part numbers: 657D249-001 (Waukesha Bearings Corporation), 657D249-001 (General Electric Company), 11264 (Rps-Fl, Inc. Dba Rps Inc), 657D249-001 (Rps-Fl, Inc. Dba Rps Inc), 657D249-001 (Pioneer Motor Bearing Co.).

What NSN replaces 3120-00-472-4723?

There are 11 known substitutes for 3120-00-472-4723: 4730-00-143-9282, 5330-00-197-9612, 4720-00-409-5848 and 8 more. Verify interchangeability with system specifications before substitution.

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