PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A604Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-192-8444 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-192-8444 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-192-8444. Primary manufacturer part number: A604.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Material: STEEL CORROSION RESISTING
  • 3 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-192-8444, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-192-8444
Primary Part NumberA604
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5325-00-282-5607 INTERCHANGEABLE
Ring,retaining
5961-00-455-4384 INTERCHANGEABLE
Semiconductor Devices,unitized
3120-00-540-8584 INTERCHANGEABLE
Bearing,sleeve
5935-00-543-87751225864 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5930-00-810-4835FM134 INTERCHANGEABLE
Switch,thermostatic
Ulanet George Co
3030-00-939-9081 INTERCHANGEABLE
Belts,v,matched Set
4320-01-192-8445A605 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
5305-01-221-3157A604 INTERCHANGEABLE
Screw,cap,hexagon Head
Lawson Products, Inc.
4730-01-311-1663A-604 INTERCHANGEABLE
Coupling Assembly,self-Sealing
Enerpac Tool Group Corp
Cross-Reference Index
Part NumberManufacturer
A604 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
993H0022 Circor Naval Solutions Llc Dba Warren Pumps (USA)
993H0022 PIECE 10 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5325-00-282-5607INTERCHANGEABLE
RING,RETAINING
5961-00-455-4384INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
3120-00-540-8584INTERCHANGEABLE
BEARING,SLEEVE
5935-00-543-8775INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1225864
5930-00-810-4835INTERCHANGEABLE
SWITCH,THERMOSTATIC
FM134
3030-00-939-9081INTERCHANGEABLE
BELTS,V,MATCHED SET
4320-01-192-8445INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A605
5305-01-221-3157INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
A604
4730-01-311-1663INTERCHANGEABLE
COUPLING ASSEMBLY,SELF-SEALING
A-604

Frequently Asked Questions

What is NSN 4320-01-192-8444?

NSN 4320-01-192-8444 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 4320-01-192-8444?

NSN 4320-01-192-8444 has 3 cross-referenced part numbers: A604 (Circor Naval Solutions Llc Dba Warren Pumps), 993H0022 (Circor Naval Solutions Llc Dba Warren Pumps), 993H0022 PIECE 10 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-192-8444?

There are 9 known substitutes for 4320-01-192-8444: 5325-00-282-5607, 5961-00-455-4384, 3120-00-540-8584 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A604?

Key specifications for A604: Material: STEEL CORROSION RESISTING; Special Features: LEFT HAND; FIRST STAGE. 2 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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