PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A249Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-218-4478 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-4478 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-4478. Primary manufacturer part number: A249.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Overall Diameter: 5.967 INCHES NOMINAL IN
  • Rotation Direction for Which Designed: COUNTERCLOCKWISE
  • 1 verified cross-reference
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-218-4478, 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 2 verified specifications, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-218-4478
Primary Part NumberA249
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Overall Diameter5.967 INCHES NOMINAL IN
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5360-00-006-3771 INTERCHANGEABLE
Spring,special
4730-00-012-79510112578 INTERCHANGEABLE
Plug,pipe
Rolls-Royce Solutions America Inc
5950-00-163-7141278-0386-010 INTERCHANGEABLE
Transformer,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5950-00-227-9143 INTERCHANGEABLE
Transformer,radio Frequency
5950-00-646-4103 INTERCHANGEABLE
Transformer,radio Frequency
6640-00-730-0309A1503-3 INTERCHANGEABLE
Pipet,dropping
Met-Pro Corporation
5999-00-772-19436307-3251505REV0ITEM3A INTERCHANGEABLE
Contact,electrical
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
A249 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5360-00-006-3771INTERCHANGEABLE
SPRING,SPECIAL
4730-00-012-7951INTERCHANGEABLE
PLUG,PIPE
0112578
5950-00-163-7141INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
278-0386-010
5950-00-227-9143INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5950-00-646-4103INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6640-00-730-0309INTERCHANGEABLE
PIPET,DROPPING
A1503-3
5999-00-772-1943INTERCHANGEABLE
CONTACT,ELECTRICAL
6307-3251505REV0ITEM3A

Frequently Asked Questions

What is NSN 4320-00-218-4478?

NSN 4320-00-218-4478 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 4320-00-218-4478?

NSN 4320-00-218-4478 has 1 cross-referenced part number: A249 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-218-4478?

There are 7 known substitutes for 4320-00-218-4478: 5360-00-006-3771, 4730-00-012-7951, 5950-00-163-7141 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A249?

Key specifications for A249: Overall Diameter: 5.967 INCHES NOMINAL IN; End Item Identification: WARREN PUMPS MODEL R77 CENTRIGUGAL PUMP; Rotation Direction for Which Designed: COUNTERCLOCKWISE. 3 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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