PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E103Ring,wearing

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-143-9559 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-143-9559 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-143-9559. Primary manufacturer part number: E103.
Features
  • Ring,wearing — FSC 4320
  • Flange Diameter: 3.005 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • Material: COPPER ALLOY
  • Body Outside Diameter: 2.565 INCHES NOMINAL IN
  • Left Side Flange Thickness: 0.109 INCHES NOMINAL IN
  • Body Inside Diameter: 2.300 INCHES NOMINAL IN
  • Body Style: EXTERNAL FLANGE
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-143-9559, 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. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-143-9559
Primary Part NumberE103
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Flange Diameter3.005 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
MaterialCOPPER ALLOY
Body Outside Diameter2.565 INCHES NOMINAL IN
Left Side Flange Thickness0.109 INCHES NOMINAL IN
Body Inside Diameter2.300 INCHES NOMINAL IN
Body StyleEXTERNAL FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-233-1370 INTERCHANGEABLE
Bend,soil Pipe
5970-00-405-8310 INTERCHANGEABLE
Insulator,plate
6685-00-411-5492 INTERCHANGEABLE
Thermometer,self-Indicating
3456-00-640-3062F1385500PCC103LR103 INTERCHANGEABLE
CAGE Assembly,roller Tube Expand
Naval Ship Systems Command
2320-00-889-1628 INTERCHANGEABLE
Truck,cargo
2320-00-889-1641 INTERCHANGEABLE
Truck,cargo
6685-01-070-18217C-86 INTERCHANGEABLE
Thermometer,self-Indicating
American Society for Testing and Materials Dba Astm International
3110-01-272-1051 INTERCHANGEABLE
Bearing,ball,annular
6685-01-438-6652 INTERCHANGEABLE
Thermometer,self-Indicating
1240-01-459-6695E103 INTERCHANGEABLE
Cell,optical Element
Unertl John Optical Co Inc
Cross-Reference Index
Part NumberManufacturer
E103 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
4730-00-233-1370INTERCHANGEABLE
BEND,SOIL PIPE
5970-00-405-8310INTERCHANGEABLE
INSULATOR,PLATE
6685-00-411-5492INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
3456-00-640-3062INTERCHANGEABLE
CAGE ASSEMBLY,ROLLER TUBE EXPAND
F1385500PCC103LR103
2320-00-889-1628INTERCHANGEABLE
TRUCK,CARGO
2320-00-889-1641INTERCHANGEABLE
TRUCK,CARGO
6685-01-070-1821INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
7C-86
3110-01-272-1051INTERCHANGEABLE
BEARING,BALL,ANNULAR
6685-01-438-6652INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
1240-01-459-6695INTERCHANGEABLE
CELL,OPTICAL ELEMENT
E103
2815-01-517-5443INTERCHANGEABLE
PANEL,ENGINE CONTRO
E103
5930-01-557-1774INTERCHANGEABLE
SWITCH,SENSITIVE
E-103

Frequently Asked Questions

What is NSN 4320-00-143-9559?

NSN 4320-00-143-9559 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 4320-00-143-9559?

NSN 4320-00-143-9559 has 1 cross-referenced part number: E103 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-143-9559?

There are 12 known substitutes for 4320-00-143-9559: 4730-00-233-1370, 5970-00-405-8310, 6685-00-411-5492 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E103?

Key specifications for E103: Flange Diameter: 3.005 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS; Material: COPPER ALLOY; Overall Length: 0.378 INCHES NOMINAL IN. 8 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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