PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D139Bearing

Mpb Corp Div Timken Super Precision · NSN 3110-01-291-3425 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-291-3425 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-291-3425. Primary manufacturer part number: D139.
Features
  • Bearing — FSC 3110
  • 1 verified cross-reference
  • Primary manufacturer: Mpb Corp Div Timken Super Precision
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing, cataloged under National Stock Number 3110-01-291-3425, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mpb Corp Div Timken Super Precision. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing
FSC / FSG3110 — No Item Name Available (FSG 31)
ManufacturersMpb Corp Div Timken Super Precision (CAGE 40920)
Technical Specifications
ParameterValue
NSN3110-01-291-3425
Primary Part NumberD139
Item NameBearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMpb Corp Div Timken Super Precision
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3120-00-308-7177 INTERCHANGEABLE
Bearing,sleeve
1680-00-348-0815 INTERCHANGEABLE
Magnet Assembly,actuator
3455-00-476-0840TABLE 48.D3/8IN INTERCHANGEABLE
Cutter,milling,end
The American Society of Mechanical Engineers
Cross-Reference Index
Part NumberManufacturer
D139 PRIMARY Mpb Corp Div Timken Super Precision (USA)
Related Parts
3120-00-308-7177INTERCHANGEABLE
BEARING,SLEEVE
1680-00-348-0815INTERCHANGEABLE
MAGNET ASSEMBLY,ACTUATOR
3455-00-476-0840INTERCHANGEABLE
CUTTER,MILLING,END
TABLE 48.D3/8IN

Frequently Asked Questions

What is NSN 3110-01-291-3425?

NSN 3110-01-291-3425 is a Bearing, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-291-3425?

NSN 3110-01-291-3425 has 1 cross-referenced part number: D139 (Mpb Corp Div Timken Super Precision).

What NSN replaces 3110-01-291-3425?

There are 3 known substitutes for 3110-01-291-3425: 3120-00-308-7177, 1680-00-348-0815, 3455-00-476-0840. Verify interchangeability with system specifications before substitution.

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