PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

104-0420Bearing,washer,thrust

Cummins Power Generation Inc. · NSN 3120-00-868-6241 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-868-6241 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-868-6241. Primary manufacturer part number: 104-0420.
Features
  • Bearing,washer,thrust — FSC 3120
  • Style Designator: ROUND W/KEYWAYS
  • Material Document and Classification: SAE 794 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 799/D ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER
  • Washer Keyway Depth: 0.1562 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • Material: STEEL COMP 1010 OUTER LAYER
  • Material: OIL LUBRICATING LUBRICATION
  • Keyway Radius: 0.1562 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-868-6241, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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.

Technical Specifications
ParameterValue
NSN3120-00-868-6241
Primary Part Number104-0420
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCummins Power Generation Inc.
StatusACTIVE
Style DesignatorROUND W/KEYWAYS
Material Document and ClassificationSAE 794 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 799/D ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER
Washer Keyway Depth0.1562 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
MaterialSTEEL COMP 1010 OUTER LAYER
MaterialOIL LUBRICATING LUBRICATION
Keyway Radius0.1562 INCHES NOMINAL IN
Keyway Quantity2
MaterialCOPPER ALLOY INNER LAYER
Overall Thickness0.0930 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN
Lubrication FeatureGROOVE FLAT BEARING SURFACE
Center Hole Shape StyleROUND
Outside Diameter3.1250 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Diameter2.4688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-196-0905 INTERCHANGEABLE
Bushing,pipe
5950-00-642-3578240-0186-000 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3120-00-983-0770104B240 INTERCHANGEABLE
Bearing,washer,thrust
Cummins Power Generation Inc.
Cross-Reference Index
Part NumberManufacturer
104-0420 PRIMARY Cummins Power Generation Inc. (USA)
104A420 Cummins Power Generation Inc. (USA)
3120008686241 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
Related Parts
4730-00-196-0905INTERCHANGEABLE
BUSHING,PIPE
5950-00-642-3578INTERCHANGEABLE
COIL,RADIO FREQUENCY
240-0186-000
3120-00-983-0770INTERCHANGEABLE
BEARING,WASHER,THRUST
104B240

Frequently Asked Questions

What is NSN 3120-00-868-6241?

NSN 3120-00-868-6241 is a Bearing,washer,thrust, manufactured by Cummins Power Generation Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-868-6241?

NSN 3120-00-868-6241 has 3 cross-referenced part numbers: 104-0420 (Cummins Power Generation Inc.), 104A420 (Cummins Power Generation Inc.), 3120008686241 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee).

What NSN replaces 3120-00-868-6241?

There are 3 known substitutes for 3120-00-868-6241: 4730-00-196-0905, 5950-00-642-3578, 3120-00-983-0770. Verify interchangeability with system specifications before substitution.

What are the specifications of 104-0420?

Key specifications for 104-0420: Style Designator: ROUND W/KEYWAYS; Material Document and Classification: SAE 794 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 799/D ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER; Washer Keyway Depth: 0.1562 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS. 15 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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