PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A458-9.75INImpeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-275-0629 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-275-0629 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-275-0629. Primary manufacturer part number: A458-9.75IN.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Material: NICKEL ALLOY
  • Rotation Direction for Which Designed: CLOCKWISE
  • Overall Diameter: 9.750 INCHES NOMINAL IN
  • 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 Nickel Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-275-0629, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-275-0629
Primary Part NumberA458-9.75IN
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialNICKEL ALLOY
Rotation Direction for Which DesignedCLOCKWISE
Overall Diameter9.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5940-00-230-0547 INTERCHANGEABLE
Terminal,lug
4920-00-346-366920411 INTERCHANGEABLE
Test Stand,fuel Flo
Stocker and Yale Inc
8010-01-380-3298 INTERCHANGEABLE
Remover,paint
8010-01-591-8924 INTERCHANGEABLE
Remover,paint
Cross-Reference Index
Part NumberManufacturer
A458 Circor Naval Solutions Llc Dba Warren Pumps (USA)
A458-9.75IN PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5940-00-230-0547INTERCHANGEABLE
TERMINAL,LUG
4920-00-346-3669INTERCHANGEABLE
TEST STAND,FUEL FLO
20411
8010-01-380-3298INTERCHANGEABLE
REMOVER,PAINT
8010-01-591-8924INTERCHANGEABLE
REMOVER,PAINT

Frequently Asked Questions

What is NSN 4320-01-275-0629?

NSN 4320-01-275-0629 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 4320-01-275-0629?

NSN 4320-01-275-0629 has 2 cross-referenced part numbers: A458 (Circor Naval Solutions Llc Dba Warren Pumps), A458-9.75IN (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-275-0629?

There are 4 known substitutes for 4320-01-275-0629: 5940-00-230-0547, 4920-00-346-3669, 8010-01-380-3298 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A458-9.75IN?

Key specifications for A458-9.75IN: Material: NICKEL ALLOY; Special Features: FIRST STAGE; End Item Identification: WARREN PUMPS INC MODEL 2-2CV-11 PUMP; Rotation Direction for Which Designed: CLOCKWISE. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com