PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A745Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-170-2576 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-170-2576 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-170-2576. Primary manufacturer part number: A745.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Material: STEEL CORROSION RESISTING
  • Overall Diameter: 6.500 INCHES NOMINAL IN
  • Rotation Direction for Which Designed: CLOCKWISE
  • 2 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 4320-01-170-2576, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-170-2576
Primary Part NumberA745
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Overall Diameter6.500 INCHES NOMINAL IN
Rotation Direction for Which DesignedCLOCKWISE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4610-00-418-0387A745 INTERCHANGEABLE
Feeder,chlorine
Wika Holding Lp
4730-00-511-167711-110-000039 INTERCHANGEABLE
Coupling,pipe
Brinkley Technology Group Llc Dba Hercules Manufacturing
5915-00-856-14182192238 INTERCHANGEABLE
Filter,radio Frequency Interfere
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
PL999D0588 PC 27 Circor Naval Solutions Llc Dba Warren Pumps (USA)
A745 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
4610-00-418-0387INTERCHANGEABLE
FEEDER,CHLORINE
A745
4730-00-511-1677INTERCHANGEABLE
COUPLING,PIPE
11-110-000039
5915-00-856-1418INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
2192238

Frequently Asked Questions

What is NSN 4320-01-170-2576?

NSN 4320-01-170-2576 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 4320-01-170-2576?

NSN 4320-01-170-2576 has 2 cross-referenced part numbers: PL999D0588 PC 27 (Circor Naval Solutions Llc Dba Warren Pumps), A745 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-170-2576?

There are 3 known substitutes for 4320-01-170-2576: 4610-00-418-0387, 4730-00-511-1677, 5915-00-856-1418. Verify interchangeability with system specifications before substitution.

What are the specifications of A745?

Key specifications for A745: Special Features: RIGHT HAND; Material: STEEL CORROSION RESISTING; Overall Diameter: 6.500 INCHES NOMINAL IN; Rotation Direction for Which Designed: CLOCKWISE. 4 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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