PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3TFB21073SBearing Set

Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) · NSN 2520-00-737-7706 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-737-7706 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-737-7706. Primary manufacturer part number: 3TFB21073S.
Features
  • Bearing Set — FSC 2520
  • 3 verified cross-references
  • Primary manufacturer: Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing Set, cataloged under National Stock Number 2520-00-737-7706, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing Set
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersU S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); White Motor Corp (CAGE 65282); Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (CAGE 62265)
Technical Specifications
ParameterValue
NSN2520-00-737-7706
Primary Part Number3TFB21073S
Item NameBearing Set
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerVolvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-846-313719474-5 INTERCHANGEABLE
Nut,self-Locking,gang Channel
Howmet Global Fastening Systems Inc
5820-01-320-114542299-4 INTERCHANGEABLE
Dryer Assembly
Andrew Llc
Cross-Reference Index
Part NumberManufacturer
7377706 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
422994 White Motor Corp (USA)
3TFB21073S PRIMARY Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
Related Parts
5310-00-846-3137INTERCHANGEABLE
NUT,SELF-LOCKING,GANG CHANNEL
19474-5
5820-01-320-1145INTERCHANGEABLE
DRYER ASSEMBLY
42299-4

Frequently Asked Questions

What is NSN 2520-00-737-7706?

NSN 2520-00-737-7706 is a Bearing Set, manufactured by Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.), classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-737-7706?

NSN 2520-00-737-7706 has 3 cross-referenced part numbers: 7377706 (U S Army Tank Automotive Command Amsta-Im-Mm), 422994 (White Motor Corp), 3TFB21073S (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)).

What NSN replaces 2520-00-737-7706?

There are 2 known substitutes for 2520-00-737-7706: 5310-00-846-3137, 5820-01-320-1145. Verify interchangeability with system specifications before substitution.

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