PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34479Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-151-8431 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-151-8431 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-151-8431. Primary manufacturer part number: 34479.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Outside Diameter: 4.7812 INCHES NOMINAL IN
  • Backface Corner Radius: 0.0800 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: NORMAL ANGLE
  • 11 verified cross-references
  • Primary manufacturer: The Timken Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-151-8431, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-151-8431
Primary Part Number34479
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Standard Tolerance DesignationAFBMA CLASS 2
Outside Diameter4.7812 INCHES NOMINAL IN
Backface Corner Radius0.0800 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorNORMAL ANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2920-00-319-50482216 INTERCHANGEABLE
Sleeve,ignition Terminal
Champion Aerospace Llc
7310-01-592-4851 INTERCHANGEABLE
Faucet,backsplash
7690-01-694-1911950354 INTERCHANGEABLE
Label
Drs Sustainment Systems Inc
Cross-Reference Index
Part NumberManufacturer
3110PL0738675 Jednolity Indeks Materialowy - Uniform Material Index (POL)
34479-20629 Federal-Mogul Corp Government Sales Dept (USA)
34479 Federal-Mogul Corp Government Sales Dept (USA)
34479-20629 The Timken Corporation (USA)
34479 PRIMARY The Timken Corporation (USA)
95-0354 Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA)
34479 Australian Timken Pty Ltd (AUS)
34479 The Timken Company (FRA)
103S70 Bendix Corp the (USA)
95-0354 Goodyear Tire and Rubber Co the (USA)
95-0354 Meggitt Aircraft Braking Systems Corporation (USA)
Related Parts
2920-00-319-5048INTERCHANGEABLE
SLEEVE,IGNITION TERMINAL
2216
7310-01-592-4851INTERCHANGEABLE
FAUCET,BACKSPLASH
7690-01-694-1911INTERCHANGEABLE
LABEL
950354

Frequently Asked Questions

What is NSN 3110-00-151-8431?

NSN 3110-00-151-8431 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-151-8431?

NSN 3110-00-151-8431 has 11 cross-referenced part numbers: 3110PL0738675 (Jednolity Indeks Materialowy - Uniform Material Index), 34479-20629 (Federal-Mogul Corp Government Sales Dept), 34479 (Federal-Mogul Corp Government Sales Dept), 34479-20629 (The Timken Corporation), 34479 (The Timken Corporation) and 6 more.

What NSN replaces 3110-00-151-8431?

There are 3 known substitutes for 3110-00-151-8431: 2920-00-319-5048, 7310-01-592-4851, 7690-01-694-1911. Verify interchangeability with system specifications before substitution.

What are the specifications of 34479?

Key specifications for 34479: Standard Tolerance Designation: AFBMA CLASS 2; Outside Diameter: 4.7812 INCHES NOMINAL IN; Backface Corner Radius: 0.0800 INCHES NOMINAL IN; Overall Width: 0.8600 INCHES NOMINAL IN. 6 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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