PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E23Ring,wearing

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-146-0421 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-146-0421 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-146-0421. Primary manufacturer part number: E23.
Features
  • Ring,wearing — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-146-0421, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-146-0421
Primary Part NumberE23
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-100-8540D23 INTERCHANGEABLE
Bearing,ball,thrust
Gwilliam Company, Inc. Div Ball & Roller Bearing Division
3110-00-501-3268 INTERCHANGEABLE
Bearing,ball,annular
3030-00-528-4634 INTERCHANGEABLE
Belt,v
5999-01-043-1600E-23 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
1005-01-043-8207 INTERCHANGEABLE
Rod,ejector
3110-01-279-2598E23 INTERCHANGEABLE
Bearing,ball,annular
Conductix Inc Div Conductix Wampfler
Cross-Reference Index
Part NumberManufacturer
E23 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
3110-00-100-8540INTERCHANGEABLE
BEARING,BALL,THRUST
D23
3110-00-501-3268INTERCHANGEABLE
BEARING,BALL,ANNULAR
3030-00-528-4634INTERCHANGEABLE
BELT,V
5999-01-043-1600INTERCHANGEABLE
HEATER,THERMAL RELEASE
E-23
1005-01-043-8207INTERCHANGEABLE
ROD,EJECTOR
3110-01-279-2598INTERCHANGEABLE
BEARING,BALL,ANNULAR
E23

Frequently Asked Questions

What is NSN 4320-00-146-0421?

NSN 4320-00-146-0421 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-146-0421?

NSN 4320-00-146-0421 has 1 cross-referenced part number: E23 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-146-0421?

There are 6 known substitutes for 4320-00-146-0421: 3110-00-100-8540, 3110-00-501-3268, 3030-00-528-4634 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E23?

Key specifications for E23: Special Features: THROAT LINER. 1 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