PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C30ARing,wearing

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-218-4227 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-4227 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-4227. Primary manufacturer part number: C30A.
Features
  • Ring,wearing — FSC 4320
  • Bolt Hole Quantity: 4
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Material: COPPER ALLOY
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Unthreaded Mounting Hole Diameter: 0.187 INCHES NOMINAL IN
  • Bolt Circle Diameter: 4.000 INCHES NOMINAL IN
  • Flange Diameter: 4.500 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-218-4227, 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 10 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-218-4227
Primary Part NumberC30A
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Bolt Hole Quantity4
Corner ShapeSQUARE OUTSIDE LEFT CORNER
MaterialCOPPER ALLOY
Corner ShapeSQUARE INSIDE LEFT CORNER
Unthreaded Mounting Hole Diameter0.187 INCHES NOMINAL IN
Bolt Circle Diameter4.000 INCHES NOMINAL IN
Flange Diameter4.500 INCHES NOMINAL IN
Body Inside Diameter3.000 INCHES NOMINAL IN
Body Outside Diameter3.625 INCHES NOMINAL IN
Groove Depth0.156 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-353-7845116176 INTERCHANGEABLE
Screw
Am General Llc
5961-00-833-6029 INTERCHANGEABLE
Semiconductor Device,thyristor
5330-00-900-2339C30A INTERCHANGEABLE
Gasket
Gardner Denver Inc.
Cross-Reference Index
Part NumberManufacturer
C30A PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5305-00-353-7845INTERCHANGEABLE
SCREW
116176
5961-00-833-6029INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5330-00-900-2339INTERCHANGEABLE
GASKET
C30A

Frequently Asked Questions

What is NSN 4320-00-218-4227?

NSN 4320-00-218-4227 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 4320-00-218-4227?

NSN 4320-00-218-4227 has 1 cross-referenced part number: C30A (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-218-4227?

There are 3 known substitutes for 4320-00-218-4227: 5305-00-353-7845, 5961-00-833-6029, 5330-00-900-2339. Verify interchangeability with system specifications before substitution.

What are the specifications of C30A?

Key specifications for C30A: Bolt Hole Quantity: 4; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Material: COPPER ALLOY; Corner Shape: SQUARE INSIDE LEFT CORNER. 10 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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