PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D139Bearing,sleeve

Circor Naval Solutions Llc Dba Warren Pumps · NSN 3120-00-308-7177 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-308-7177 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-308-7177. Primary manufacturer part number: D139.
Features
  • Bearing,sleeve — FSC 3120
  • 2 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-308-7177, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. This item has 2 commercial cross-references from 2 manufacturers, 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,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersCircor Naval Solutions Llc Dba Warren Pumps (CAGE 63857); Calabrese & Sons, Inc. (CAGE 07310)
Technical Specifications
ParameterValue
NSN3120-00-308-7177
Primary Part NumberD139
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
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
3110-01-291-3425D139 INTERCHANGEABLE
Bearing
Mpb Corp Div Timken Super Precision
Cross-Reference Index
Part NumberManufacturer
D139 Circor Naval Solutions Llc Dba Warren Pumps (USA)
CS3087177 Calabrese & Sons, Inc. (USA)
Related Parts
1680-00-348-0815INTERCHANGEABLE
MAGNET ASSEMBLY,ACTUATOR
3455-00-476-0840INTERCHANGEABLE
CUTTER,MILLING,END
TABLE 48.D3/8IN
3110-01-291-3425INTERCHANGEABLE
BEARING
D139

Frequently Asked Questions

What is NSN 3120-00-308-7177?

NSN 3120-00-308-7177 is a Bearing,sleeve, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-308-7177?

NSN 3120-00-308-7177 has 2 cross-referenced part numbers: D139 (Circor Naval Solutions Llc Dba Warren Pumps), CS3087177 (Calabrese & Sons, Inc.).

What NSN replaces 3120-00-308-7177?

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

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