PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

395-0502Bearing,sleeve

Siemens Energy, Inc. · NSN 3120-00-830-0325 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-830-0325 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-830-0325. Primary manufacturer part number: 395-0502.
Features
  • Bearing,sleeve — FSC 3120
  • Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
  • Material: OIL LUBRICATING LUBRICATION
  • Material: TIN ALLOY UNS L13890 INNER LAYER
  • Material: STEEL COMP 1010 OUTER LAYER
  • Body Outside Diameter: 4.4980 INCHES MINIMUM AND 4.4990 INCHES MAXIMUM IN
  • Body Inside Diameter: 2.5000 INCHES MINIMUM AND 2.5010 INCHES MAXIMUM IN
  • 1 verified cross-reference
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Oil Lubricating Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-830-0325, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Siemens Energy, Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3120-00-830-0325
Primary Part Number395-0502
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerSiemens Energy, Inc.
StatusACTIVE
Surface Finish32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
MaterialOIL LUBRICATING LUBRICATION
MaterialTIN ALLOY UNS L13890 INNER LAYER
MaterialSTEEL COMP 1010 OUTER LAYER
Body Outside Diameter4.4980 INCHES MINIMUM AND 4.4990 INCHES MAXIMUM IN
Body Inside Diameter2.5000 INCHES MINIMUM AND 2.5010 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5999-00-946-7754312905-1 INTERCHANGEABLE
Wire Mesh,knitted
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
Cross-Reference Index
Part NumberManufacturer
395-0502 PRIMARY Siemens Energy, Inc. (USA)
Related Parts
5999-00-946-7754INTERCHANGEABLE
WIRE MESH,KNITTED
312905-1

Frequently Asked Questions

What is NSN 3120-00-830-0325?

NSN 3120-00-830-0325 is a Bearing,sleeve, manufactured by Siemens Energy, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-830-0325?

NSN 3120-00-830-0325 has 1 cross-referenced part number: 395-0502 (Siemens Energy, Inc.).

What NSN replaces 3120-00-830-0325?

There is 1 known substitute for 3120-00-830-0325: 5999-00-946-7754. Verify interchangeability with system specifications before substitution.

What are the specifications of 395-0502?

Key specifications for 395-0502: Overall Length: 2.1250 INCHES NOMINAL IN; Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Material: OIL LUBRICATING LUBRICATION; Material: TIN ALLOY UNS L13890 INNER LAYER. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com