PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A295Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-571-6398 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-571-6398 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-571-6398. Primary manufacturer part number: A295.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Hub Bore Diameter: 0.687 INCHES NOMINAL IN
  • Overall Diameter: 6.875 INCHES NOMINAL IN
  • Mounting Method: KEY
  • Keyway Length: 1.375 INCHES NOMINAL IN
  • Keyway Width: 0.188 INCHES NOMINAL IN
  • Design Type: SINGLE WIDTH
  • Keyway Type: RECTANGULAR
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Aluminum Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-571-6398, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN4320-00-571-6398
Primary Part NumberA295
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Hub Bore Diameter0.687 INCHES NOMINAL IN
Overall Diameter6.875 INCHES NOMINAL IN
Mounting MethodKEY
Keyway Length1.375 INCHES NOMINAL IN
Keyway Width0.188 INCHES NOMINAL IN
Design TypeSINGLE WIDTH
Keyway TypeRECTANGULAR
Hub Quantity1
MaterialALUMINUM ALLOY
Keyway Depth0.098 INCHES NOMINAL IN
Blade TypeBACKWARD CURVE
Hub LocationFRONT SIDE
Keyway Quantity1
Hub Projection Length Beyond Wheel Side0.387 INCHES NOMINAL IN
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Blade Quantity5
Hub Length0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5915-00-348-6873241-0569-080 INTERCHANGEABLE
Filter,band Pass
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5340-00-756-1474 INTERCHANGEABLE
Handle,door
Cross-Reference Index
Part NumberManufacturer
3221606 Naval Ship Systems Command (USA)
NC14529 Circor Naval Solutions Llc Dba Warren Pumps (USA)
A295 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5915-00-348-6873INTERCHANGEABLE
FILTER,BAND PASS
241-0569-080
5340-00-756-1474INTERCHANGEABLE
HANDLE,DOOR

Frequently Asked Questions

What is NSN 4320-00-571-6398?

NSN 4320-00-571-6398 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 4320-00-571-6398?

NSN 4320-00-571-6398 has 3 cross-referenced part numbers: 3221606 (Naval Ship Systems Command), NC14529 (Circor Naval Solutions Llc Dba Warren Pumps), A295 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-571-6398?

There are 2 known substitutes for 4320-00-571-6398: 5915-00-348-6873, 5340-00-756-1474. Verify interchangeability with system specifications before substitution.

What are the specifications of A295?

Key specifications for A295: Hub Bore Diameter: 0.687 INCHES NOMINAL IN; Overall Diameter: 6.875 INCHES NOMINAL IN; Mounting Method: KEY; Keyway Length: 1.375 INCHES NOMINAL IN. 18 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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