PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A541Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-225-6193 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-225-6193 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-225-6193. Primary manufacturer part number: A541.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Rotation Direction for Which Designed: CLOCKWISE
  • Material: COPPER ALLOY
  • Design Type: SINGLE WIDTH
  • Keyway Type: RECTANGULAR
  • Hub Quantity: 1
  • Hub Location: BACK SIDE
  • Mounting Method: KEY
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-225-6193, 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 9 verified specifications, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-225-6193
Primary Part NumberA541
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Rotation Direction for Which DesignedCLOCKWISE
MaterialCOPPER ALLOY
Design TypeSINGLE WIDTH
Keyway TypeRECTANGULAR
Hub Quantity1
Hub LocationBACK SIDE
Mounting MethodKEY
Keyway Quantity1
Overall Diameter5.687 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-142-4331A541 INTERCHANGEABLE
Bearing,ball,airframe
Fag Bearings Corporation
Cross-Reference Index
Part NumberManufacturer
R-1069 Circor Naval Solutions Llc Dba Warren Pumps (USA)
A541 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
R-1069 PIECE 15,16 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
3110-00-142-4331INTERCHANGEABLE
BEARING,BALL,AIRFRAME
A541

Frequently Asked Questions

What is NSN 4320-01-225-6193?

NSN 4320-01-225-6193 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 4320-01-225-6193?

NSN 4320-01-225-6193 has 3 cross-referenced part numbers: R-1069 (Circor Naval Solutions Llc Dba Warren Pumps), A541 (Circor Naval Solutions Llc Dba Warren Pumps), R-1069 PIECE 15,16 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-225-6193?

There is 1 known substitute for 4320-01-225-6193: 3110-00-142-4331. Verify interchangeability with system specifications before substitution.

What are the specifications of A541?

Key specifications for A541: Rotation Direction for Which Designed: CLOCKWISE; Material: COPPER ALLOY; Design Type: SINGLE WIDTH; Keyway Type: RECTANGULAR. 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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