PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17903Bearing Set,sleeve

Westerbeke Corporation · NSN 3120-01-397-8294 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-397-8294 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-397-8294. Primary manufacturer part number: 17903.
Features
  • Bearing Set,sleeve — FSC 3120
  • 1 verified cross-reference
  • Primary manufacturer: Westerbeke Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing Set,sleeve, cataloged under National Stock Number 3120-01-397-8294, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Westerbeke Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing Set,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersWesterbeke Corporation (CAGE 03798)
Technical Specifications
ParameterValue
NSN3120-01-397-8294
Primary Part Number17903
Item NameBearing Set,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerWesterbeke Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3455-00-250-475254-10090 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4210-00-518-362417903 INTERCHANGEABLE
Cap,fill
Tyco Fire Products Lp
2940-00-736-789701-114-002 INTERCHANGEABLE
Filter Element,fluid
Wm W Nugent & Co Inc
5360-01-088-586017903 INTERCHANGEABLE
Spring,aircraft
Hydro-Aire Aerospace Corp
6515-01-588-4464DYND60410 INTERCHANGEABLE
Airway,oral
Medline Industries, Lp
Cross-Reference Index
Part NumberManufacturer
17903 PRIMARY Westerbeke Corporation (USA)
Related Parts
3455-00-250-4752INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10090
4210-00-518-3624INTERCHANGEABLE
CAP,FILL
17903
2940-00-736-7897INTERCHANGEABLE
FILTER ELEMENT,FLUID
01-114-002
5360-01-088-5860INTERCHANGEABLE
SPRING,AIRCRAFT
17903
6515-01-588-4464INTERCHANGEABLE
AIRWAY,ORAL
DYND60410

Frequently Asked Questions

What is NSN 3120-01-397-8294?

NSN 3120-01-397-8294 is a Bearing Set,sleeve, manufactured by Westerbeke Corporation, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-397-8294?

NSN 3120-01-397-8294 has 1 cross-referenced part number: 17903 (Westerbeke Corporation).

What NSN replaces 3120-01-397-8294?

There are 5 known substitutes for 3120-01-397-8294: 3455-00-250-4752, 4210-00-518-3624, 2940-00-736-7897 and 2 more. Verify interchangeability with system specifications before substitution.

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