PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A222Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-218-4439 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-4439 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-4439. Primary manufacturer part number: A222.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • 4 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-218-4439, 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 4 commercial cross-references 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
NSN4320-00-218-4439
Primary Part NumberA222
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5315-00-088-3520A2-22 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
4730-00-188-3509AS4863-01 INTERCHANGEABLE
Plug,pipe
Sae International Dba Sae International
5915-00-318-1356A222 INTERCHANGEABLE
Filter,radio Frequency Interfere
The Captor Corporation
5930-01-450-5096 INTERCHANGEABLE
Switch,electronic
5940-01-539-3772A222 INTERCHANGEABLE
Terminal,lug
Harger Inc Dba Harger Lightning Protection Inc
5940-01-576-8604A222 INTERCHANGEABLE
Terminal,lug
L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West
Cross-Reference Index
Part NumberManufacturer
A222 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
R89PC4-12 Circor Naval Solutions Llc Dba Warren Pumps (USA)
R90PC4-12 Circor Naval Solutions Llc Dba Warren Pumps (USA)
1A222 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5315-00-088-3520INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A2-22
4730-00-188-3509INTERCHANGEABLE
PLUG,PIPE
AS4863-01
5915-00-318-1356INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
A222
5930-01-450-5096INTERCHANGEABLE
SWITCH,ELECTRONIC
5940-01-539-3772INTERCHANGEABLE
TERMINAL,LUG
A222
5940-01-576-8604INTERCHANGEABLE
TERMINAL,LUG
A222

Frequently Asked Questions

What is NSN 4320-00-218-4439?

NSN 4320-00-218-4439 is a Impeller,pump,centrifugal, 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 4320-00-218-4439?

NSN 4320-00-218-4439 has 4 cross-referenced part numbers: A222 (Circor Naval Solutions Llc Dba Warren Pumps), R89PC4-12 (Circor Naval Solutions Llc Dba Warren Pumps), R90PC4-12 (Circor Naval Solutions Llc Dba Warren Pumps), 1A222 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-218-4439?

There are 6 known substitutes for 4320-00-218-4439: 5315-00-088-3520, 4730-00-188-3509, 5915-00-318-1356 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A222?

Key specifications for A222: End Item Identification: CENTRIFUGAL PUMP. 1 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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