PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A569Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-187-1446 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-187-1446 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-187-1446. Primary manufacturer part number: A569.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Material: STEEL
  • 1 verified cross-reference
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-187-1446, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-187-1446
Primary Part NumberA569
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
9515-00-237-1883 INTERCHANGEABLE
Sheet,metal
9515-00-237-1885 INTERCHANGEABLE
Sheet,metal
9515-00-394-9505 INTERCHANGEABLE
Sheet,metal
5330-00-447-6287A569 INTERCHANGEABLE
Gasket
Essex Industries, Inc. Dba Essex Industries
9515-00-596-1956 INTERCHANGEABLE
Sheet,metal
5915-00-683-70491988174PC1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
A569 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
9515-00-237-1883INTERCHANGEABLE
SHEET,METAL
9515-00-237-1885INTERCHANGEABLE
SHEET,METAL
9515-00-394-9505INTERCHANGEABLE
SHEET,METAL
5330-00-447-6287INTERCHANGEABLE
GASKET
A569
9515-00-596-1956INTERCHANGEABLE
SHEET,METAL
5915-00-683-7049INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
1988174PC1

Frequently Asked Questions

What is NSN 4320-01-187-1446?

NSN 4320-01-187-1446 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 4320-01-187-1446?

NSN 4320-01-187-1446 has 1 cross-referenced part number: A569 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-187-1446?

There are 6 known substitutes for 4320-01-187-1446: 9515-00-237-1883, 9515-00-237-1885, 9515-00-394-9505 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A569?

Key specifications for A569: Material: STEEL; End Item Identification: WARREN PUMP 4TMM. 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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