PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A508Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-972-8956 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-972-8956 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-972-8956. Primary manufacturer part number: A508.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Material: COPPER ALLOY
  • Rotation Direction for Which Designed: CLOCKWISE
  • Overall Diameter: 3.675 INCHES NOMINAL IN
  • 3 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 Copper Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-972-8956, 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 3 commercial cross-references 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
NSN4320-00-972-8956
Primary Part NumberA508
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialCOPPER ALLOY
Rotation Direction for Which DesignedCLOCKWISE
Overall Diameter3.675 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5945-00-034-6446 INTERCHANGEABLE
Solenoid,electrical
5315-00-290-4692A508 INTERCHANGEABLE
Pin,quick Release
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
3120-00-448-350411-124 INTERCHANGEABLE
Bearing,sleeve
Dresser Industries Inc Leroi Div
5831-01-072-7779968445-101 INTERCHANGEABLE
Switching Matrix,communications
Lockheed Martin Corp
5930-01-316-3432A508 INTERCHANGEABLE
Switch,push
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5305-01-320-394412576934 INTERCHANGEABLE
Setscrew
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
Cross-Reference Index
Part NumberManufacturer
A399A Circor Naval Solutions Llc Dba Warren Pumps (USA)
A508 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
R714PC31 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5945-00-034-6446INTERCHANGEABLE
SOLENOID,ELECTRICAL
5315-00-290-4692INTERCHANGEABLE
PIN,QUICK RELEASE
A508
3120-00-448-3504INTERCHANGEABLE
BEARING,SLEEVE
11-124
5831-01-072-7779INTERCHANGEABLE
SWITCHING MATRIX,COMMUNICATIONS
968445-101
5930-01-316-3432INTERCHANGEABLE
SWITCH,PUSH
A508
5305-01-320-3944INTERCHANGEABLE
SETSCREW
12576934

Frequently Asked Questions

What is NSN 4320-00-972-8956?

NSN 4320-00-972-8956 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 4320-00-972-8956?

NSN 4320-00-972-8956 has 3 cross-referenced part numbers: A399A (Circor Naval Solutions Llc Dba Warren Pumps), A508 (Circor Naval Solutions Llc Dba Warren Pumps), R714PC31 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-972-8956?

There are 6 known substitutes for 4320-00-972-8956: 5945-00-034-6446, 5315-00-290-4692, 3120-00-448-3504 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A508?

Key specifications for A508: Material: COPPER ALLOY; Rotation Direction for Which Designed: CLOCKWISE; Overall Diameter: 3.675 INCHES NOMINAL IN. 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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