PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A684Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-525-9254 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-525-9254 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-525-9254. Primary manufacturer part number: A684.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • 1 verified cross-reference
  • 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 4320-00-525-9254, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-525-9254
Primary Part NumberA684
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 2
4730-00-188-6320 INTERCHANGEABLE
Fitting,lubrication
5915-00-834-88512192246-2 INTERCHANGEABLE
Filter,radio Frequency Interfere
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
A684 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
4730-00-188-6320INTERCHANGEABLE
FITTING,LUBRICATION
5915-00-834-8851INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
2192246-2

Frequently Asked Questions

What is NSN 4320-00-525-9254?

NSN 4320-00-525-9254 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 4320-00-525-9254?

NSN 4320-00-525-9254 has 1 cross-referenced part number: A684 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-525-9254?

There are 2 known substitutes for 4320-00-525-9254: 4730-00-188-6320, 5915-00-834-8851. Verify interchangeability with system specifications before substitution.

What are the specifications of A684?

Key specifications for A684: End Item Identification: PUMP CTFGL 400GPM 35PSI 1750RPM RPM. 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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