PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FB46-2Bearing,sleeve

Altra Industrial Motion Corp. · NSN 3120-00-324-6424 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-324-6424 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-324-6424. Primary manufacturer part number: FB46-2.
Features
  • Bearing,sleeve — FSC 3120
  • Material: LUBRICANT LUBRICATION
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Material: COPPER ALLOY OVERALL
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Lubricant Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-324-6424, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 16 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
NSN3120-00-324-6424
Primary Part NumberFB46-2
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusCANCELLED
MaterialLUBRICANT LUBRICATION
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE INSIDE RIGHT CORNER
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Flange Width0.0444 INCHES MINIMUM AND 0.0494 INCHES MAXIMUM IN
Flange Outside Diameter0.4975 INCHES MINIMUM AND 0.5025 INCHES MAXIMUM IN
Body Inside Diameter0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
Body Outside Diameter0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3120-00-804-97121410-0047 INTERCHANGEABLE
Bushing,sleeve
Keysight Technologies Inc
3120-01-230-5484 INTERCHANGEABLE
Bushing,sleeve
5350-01-322-1122051131-02545-5 INTERCHANGEABLE
Paper,abrasive
3m Company
5120-01-399-9240BP20 INTERCHANGEABLE
Pliers
Stanley Industrial & Automotive Llc
5120-01-587-316091-930051 INTERCHANGEABLE
Tool,guide
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
FB-46-2 Champion Gauge Co
402672-1 Raytheon Company Dba Raytheon (USA)
67837 Cadillac Gage Textron Inc. (USA)
FB46-2 PRIMARY Altra Industrial Motion Corp. (USA)
714005-101 Capstan Ag Systems, Inc Dba Remex (USA)
8192833 PRIMARY Us Army Aviation and Missile Command (USA)
450-0026-000 Hbc Solutions, Inc. Dba Harris Broadcast (USA)
1410-0047 Hewlett-Packard Company Dba HP (USA)
1215071-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
78-8161-3130-0 Minnesota Mining and Mfg Co Document Systems Div
FB46-2 Chrysler Corp Amplex Div (USA)
8909509 PRIMARY Us Army Aviation and Missile Command (USA)
9128FB3-318 Aeire Corp (USA)
930051 Lockheed Martin Corp Electronics and Missiles Div (USA)
78-8161-3130-0 3m Company Div Health Care Business (USA)
35526 FB46-2 PRIMARY Altra Industrial Motion Corp. (USA)
530A38-18 Cardwell Condenser Corp Lapointe-Admiral Div (USA)
DMS0107-2 Del Mar Avionics, Llc (USA)
Related Parts
3120-00-804-9712INTERCHANGEABLE
BUSHING,SLEEVE
1410-0047
3120-01-230-5484INTERCHANGEABLE
BUSHING,SLEEVE
5350-01-322-1122INTERCHANGEABLE
PAPER,ABRASIVE
051131-02545-5
5120-01-399-9240INTERCHANGEABLE
PLIERS
BP20
5120-01-587-3160INTERCHANGEABLE
TOOL,GUIDE
91-930051

Frequently Asked Questions

What is NSN 3120-00-324-6424?

NSN 3120-00-324-6424 is a Bearing,sleeve, manufactured by Altra Industrial Motion Corp., classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-324-6424?

NSN 3120-00-324-6424 has 18 cross-referenced part numbers: FB-46-2 (Champion Gauge Co), 402672-1 (Raytheon Company Dba Raytheon), 67837 (Cadillac Gage Textron Inc.), FB46-2 (Altra Industrial Motion Corp.), 714005-101 (Capstan Ag Systems, Inc Dba Remex) and 13 more.

What NSN replaces 3120-00-324-6424?

There are 5 known substitutes for 3120-00-324-6424: 3120-00-804-9712, 3120-01-230-5484, 5350-01-322-1122 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FB46-2?

Key specifications for FB46-2: Material: LUBRICANT LUBRICATION; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Corner Shape: SQUARE INSIDE RIGHT CORNER. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-324-6424 still in active supply?

NSN 3120-00-324-6424 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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