PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25Z421Bearing,ball,thrust

Cummins Inc. · NSN 3110-00-554-3790 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-554-3790 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-554-3790. Primary manufacturer part number: 25Z421.
Features
  • Bearing,ball,thrust — FSC 3110
  • Alignment Type: RIGID
  • Thrust Directional Capability Designation: SINGLE
  • Retainer Fabrication Method: PRESSED
  • Surface Finish: GROUND
  • Material: COPPER ALLOY RETAINER
  • Material: STEEL BALL
  • Material: STEEL WASHER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Retainer construction
General Description

The Bearing,ball,thrust, cataloged under National Stock Number 3110-00-554-3790, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-554-3790
Primary Part Number25Z421
Item NameBearing,ball,thrust
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Alignment TypeRIGID
Thrust Directional Capability DesignationSINGLE
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
MaterialCOPPER ALLOY RETAINER
MaterialSTEEL BALL
MaterialSTEEL WASHER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3110-00-158-618986FT82 INTERCHANGEABLE
Bearing,ball,thrust
Oshkosh Defense Llc
4510-00-174-0477 INTERCHANGEABLE
Stopper,waste Drain
4820-00-375-79824824-935039PC16 INTERCHANGEABLE
Stem,fluid Valve
Naval Ship Systems Command
4730-00-572-46556168 INTERCHANGEABLE
Adapter,straight,pipe to Gas Fit
Avox Systems Inc Dba Avox Systems Inc
5910-00-827-3364150D476X0S2 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Sprague Electric Co World Hqs
3110-01-068-011625Z421 INTERCHANGEABLE
Bearing,ball,annular
Morris Material Handling, Inc.
3110-01-191-22376168 INTERCHANGEABLE
Ring,bearing,inner
Pdi Ground Support Systems, Inc.
5120-01-335-9089 INTERCHANGEABLE
Socket,socket Wrench
5310-01-659-498261-68 INTERCHANGEABLE
Washer,flat
Dema Engineering Co
Cross-Reference Index
Part NumberManufacturer
6168 Eaton Corp Transmission Div (USA)
25Z421 PRIMARY Cummins Inc. (USA)
CTDES88MILL3545 Federal-Mogul Corp Government Sales Dept (USA)
3A0619 Link-Belt Cranes, L.p., Lllp (USA)
Related Parts
3110-00-158-6189INTERCHANGEABLE
BEARING,BALL,THRUST
86FT82
4510-00-174-0477INTERCHANGEABLE
STOPPER,WASTE DRAIN
4820-00-375-7982INTERCHANGEABLE
STEM,FLUID VALVE
4824-935039PC16
4730-00-572-4655INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO GAS FIT
6168
5910-00-827-3364INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
150D476X0S2
3110-01-068-0116INTERCHANGEABLE
BEARING,BALL,ANNULAR
25Z421
3110-01-191-2237INTERCHANGEABLE
RING,BEARING,INNER
6168
5120-01-335-9089INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5310-01-659-4982INTERCHANGEABLE
WASHER,FLAT
61-68

Frequently Asked Questions

What is NSN 3110-00-554-3790?

NSN 3110-00-554-3790 is a Bearing,ball,thrust, manufactured by Cummins Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-554-3790?

NSN 3110-00-554-3790 has 4 cross-referenced part numbers: 6168 (Eaton Corp Transmission Div), 25Z421 (Cummins Inc.), CTDES88MILL3545 (Federal-Mogul Corp Government Sales Dept), 3A0619 (Link-Belt Cranes, L.p., Lllp).

What NSN replaces 3110-00-554-3790?

There are 9 known substitutes for 3110-00-554-3790: 3110-00-158-6189, 4510-00-174-0477, 4820-00-375-7982 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25Z421?

Key specifications for 25Z421: Alignment Type: RIGID; Thrust Directional Capability Designation: SINGLE; Retainer Fabrication Method: PRESSED; Surface Finish: GROUND. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-554-3790 still in active supply?

NSN 3110-00-554-3790 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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