PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C222ARing,wearing

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-799-9559 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-799-9559 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-799-9559. Primary manufacturer part number: C222A.
Features
  • Ring,wearing — FSC 4320
  • Internal Flange Width: 0.313 INCHES NOMINAL IN
  • Largest External Anchor Flange Radius: 3.375 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • End to Flange Distance: 0.828 INCHES NOMINAL IN
  • Internal Flange Inside Diameter: 4.750 INCHES NOMINAL IN
  • Center Flange Thickness: 0.234 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-799-9559, 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 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-799-9559
Primary Part NumberC222A
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Internal Flange Width0.313 INCHES NOMINAL IN
Largest External Anchor Flange Radius3.375 INCHES NOMINAL IN
MaterialCOPPER ALLOY
End to Flange Distance0.828 INCHES NOMINAL IN
Internal Flange Inside Diameter4.750 INCHES NOMINAL IN
Center Flange Thickness0.234 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Distance Below Centerline0.094 INCHES NOMINAL IN
Body StyleEXTERNAL LOCKING FLANGE
Body Outside Diameter6.375 INCHES NOMINAL IN
Smallest External Anchor Flange Radius3.125 INCHES NOMINAL IN
Body Inside Diameter5.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-110-3199 INTERCHANGEABLE
Semiconductor Device,thyristor
Cross-Reference Index
Part NumberManufacturer
R803,PC.7 Circor Naval Solutions Llc Dba Warren Pumps (USA)
C222A PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
55-22344-18A Euramco Safety Inc (USA)
Related Parts
5961-00-110-3199INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR

Frequently Asked Questions

What is NSN 4320-00-799-9559?

NSN 4320-00-799-9559 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 4320-00-799-9559?

NSN 4320-00-799-9559 has 3 cross-referenced part numbers: R803,PC.7 (Circor Naval Solutions Llc Dba Warren Pumps), C222A (Circor Naval Solutions Llc Dba Warren Pumps), 55-22344-18A (Euramco Safety Inc).

What NSN replaces 4320-00-799-9559?

There is 1 known substitute for 4320-00-799-9559: 5961-00-110-3199. Verify interchangeability with system specifications before substitution.

What are the specifications of C222A?

Key specifications for C222A: Internal Flange Width: 0.313 INCHES NOMINAL IN; Largest External Anchor Flange Radius: 3.375 INCHES NOMINAL IN; Material: COPPER ALLOY; Overall Length: 1.063 INCHES NOMINAL IN. 13 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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