PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B7406Bearing,sleeve

Terex American Crane Corp · NSN 3120-00-661-8430 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-8430 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-8430. Primary manufacturer part number: B7406.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • Material: COPPER ALLOY 932 OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Outside Diameter: 4.5050 INCHES MINIMUM AND 4.5060 INCHES MAXIMUM IN
  • Body Inside Diameter: 3.7600 INCHES MINIMUM AND 3.7620 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-B-16261,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • 4 verified cross-references
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 932 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-661-8430, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Terex American Crane Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-661-8430
Primary Part NumberB7406
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTerex American Crane Corp
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
MaterialCOPPER ALLOY 932 OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Outside Diameter4.5050 INCHES MINIMUM AND 4.5060 INCHES MAXIMUM IN
Body Inside Diameter3.7600 INCHES MINIMUM AND 3.7620 INCHES MAXIMUM IN
Material Document and ClassificationMIL-B-16261,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-554-3102213W INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
Cross-Reference Index
Part NumberManufacturer
907406 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
B7406 PRIMARY Terex American Crane Corp (USA)
907406 Control Flow, Inc. Dba Control Flow Inc (USA)
B7406 American Hoist and Derrick Co
Related Parts
3110-00-554-3102INTERCHANGEABLE
BEARING,BALL,ANNULAR
213W

Frequently Asked Questions

What is NSN 3120-00-661-8430?

NSN 3120-00-661-8430 is a Bearing,sleeve, manufactured by Terex American Crane Corp, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-661-8430?

NSN 3120-00-661-8430 has 4 cross-referenced part numbers: 907406 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), B7406 (Terex American Crane Corp), 907406 (Control Flow, Inc. Dba Control Flow Inc), B7406 (American Hoist and Derrick Co).

What NSN replaces 3120-00-661-8430?

There is 1 known substitute for 3120-00-661-8430: 3110-00-554-3102. Verify interchangeability with system specifications before substitution.

What are the specifications of B7406?

Key specifications for B7406: Corner Shape: SQUARE ALL CORNERS; Special Features: INTERNAL GROOVE(S); Material: COPPER ALLOY 932 OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 8 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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