PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A418Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-475-2663 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-475-2663 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-475-2663. Primary manufacturer part number: A418.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • 2 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 4320-00-475-2663, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameImpeller,pump,centrifugal
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCircor Naval Solutions Llc Dba Warren Pumps (CAGE 63857)
Technical Specifications
ParameterValue
NSN4320-00-475-2663
Primary Part NumberA418
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 4
3040-00-131-5753A4-18 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
2940-00-736-789701-114-002 INTERCHANGEABLE
Filter Element,fluid
Wm W Nugent & Co Inc
5950-01-270-9569278-0439-030 INTERCHANGEABLE
Transformer,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6105-01-432-4301E9358 INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
Cross-Reference Index
Part NumberManufacturer
A418 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
NC-16782 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
3040-00-131-5753INTERCHANGEABLE
SHAFT,STRAIGHT
A4-18
2940-00-736-7897INTERCHANGEABLE
FILTER ELEMENT,FLUID
01-114-002
5950-01-270-9569INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
278-0439-030
6105-01-432-4301INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
E9358

Frequently Asked Questions

What is NSN 4320-00-475-2663?

NSN 4320-00-475-2663 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 4320-00-475-2663?

NSN 4320-00-475-2663 has 2 cross-referenced part numbers: A418 (Circor Naval Solutions Llc Dba Warren Pumps), NC-16782 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-475-2663?

There are 4 known substitutes for 4320-00-475-2663: 3040-00-131-5753, 2940-00-736-7897, 5950-01-270-9569 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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