PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A672Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-225-5931 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-225-5931 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-225-5931. Primary manufacturer part number: A672.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Mounting Method: KEY
  • Material: NICKEL ALLOY
  • Overall Diameter: 9.500 INCHES NOMINAL IN
  • Keyway Quantity: 1
  • Keyway Type: RECTANGULAR
  • Rotation Direction for Which Designed: CLOCKWISE
  • Hub Quantity: 1
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Nickel Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-225-5931, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-225-5931
Primary Part NumberA672
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Mounting MethodKEY
MaterialNICKEL ALLOY
Overall Diameter9.500 INCHES NOMINAL IN
Keyway Quantity1
Keyway TypeRECTANGULAR
Rotation Direction for Which DesignedCLOCKWISE
Hub Quantity1
Hub LocationBACK SIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3030-00-180-2091A66-2 INTERCHANGEABLE
Belts,v,matched Set
Carlisle Power Transmission Products Inc
3120-00-287-6856A672 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
5330-00-599-4517A676 INTERCHANGEABLE
Gasket
Champion Aerospace Llc
5330-01-006-1883A672 INTERCHANGEABLE
Packing,preformed
Clark-Reliance Llc Dba Jacoby-Tarbox
4320-01-225-6136654B0243C051A INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-225-6137654B0244C051A INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-225-6194A671 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
5325-01-618-3608 INTERCHANGEABLE
Grommet,nonmetallic
Cross-Reference Index
Part NumberManufacturer
999R0336 PIECE 13 Circor Naval Solutions Llc Dba Warren Pumps (USA)
657D1180 Circor Naval Solutions Llc Dba Warren Pumps (USA)
999R0336 Circor Naval Solutions Llc Dba Warren Pumps (USA)
A672 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
3030-00-180-2091INTERCHANGEABLE
BELTS,V,MATCHED SET
A66-2
3120-00-287-6856INTERCHANGEABLE
BEARING,SLEEVE
A672
5330-00-599-4517INTERCHANGEABLE
GASKET
A676
5330-01-006-1883INTERCHANGEABLE
PACKING,PREFORMED
A672
4320-01-225-6136INTERCHANGEABLE
RING,WEARING
654B0243C051A
4320-01-225-6137INTERCHANGEABLE
RING,WEARING
654B0244C051A
4320-01-225-6194INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A671
5325-01-618-3608INTERCHANGEABLE
GROMMET,NONMETALLIC

Frequently Asked Questions

What is NSN 4320-01-225-5931?

NSN 4320-01-225-5931 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 4320-01-225-5931?

NSN 4320-01-225-5931 has 4 cross-referenced part numbers: 999R0336 PIECE 13 (Circor Naval Solutions Llc Dba Warren Pumps), 657D1180 (Circor Naval Solutions Llc Dba Warren Pumps), 999R0336 (Circor Naval Solutions Llc Dba Warren Pumps), A672 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-225-5931?

There are 8 known substitutes for 4320-01-225-5931: 3030-00-180-2091, 3120-00-287-6856, 5330-00-599-4517 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A672?

Key specifications for A672: Mounting Method: KEY; Material: NICKEL ALLOY; Overall Diameter: 9.500 INCHES NOMINAL IN; Keyway Quantity: 1. 9 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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