PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A476Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-398-9533 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-9533 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-9533. Primary manufacturer part number: A476.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • 4 verified cross-references
  • 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 4320-00-398-9533, 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. This item has 4 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
NSN4320-00-398-9533
Primary Part NumberA476
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5306-00-144-3648 INTERCHANGEABLE
Bolt,machine
2990-00-347-5230 INTERCHANGEABLE
Seal Assembly,governor
5330-00-369-4678A476 INTERCHANGEABLE
Gasket
Champion Aerospace Llc
5961-00-451-7378TIS-100 INTERCHANGEABLE
Transistor
Semiconductor Technology, Inc. Dba Semiconductor Technology Inc
5310-00-523-2405 INTERCHANGEABLE
Nut,self-Locking,cone Seat,hexag
5945-00-861-6108 INTERCHANGEABLE
Solenoid,electrical
Cross-Reference Index
Part NumberManufacturer
R337PC44 Circor Naval Solutions Llc Dba Warren Pumps (USA)
R107PC44 Circor Naval Solutions Llc Dba Warren Pumps (USA)
A476 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
A292 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5306-00-144-3648INTERCHANGEABLE
BOLT,MACHINE
2990-00-347-5230INTERCHANGEABLE
SEAL ASSEMBLY,GOVERNOR
5330-00-369-4678INTERCHANGEABLE
GASKET
A476
5961-00-451-7378INTERCHANGEABLE
TRANSISTOR
TIS-100
5310-00-523-2405INTERCHANGEABLE
NUT,SELF-LOCKING,CONE SEAT,HEXAG
5945-00-861-6108INTERCHANGEABLE
SOLENOID,ELECTRICAL

Frequently Asked Questions

What is NSN 4320-00-398-9533?

NSN 4320-00-398-9533 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 4320-00-398-9533?

NSN 4320-00-398-9533 has 4 cross-referenced part numbers: R337PC44 (Circor Naval Solutions Llc Dba Warren Pumps), R107PC44 (Circor Naval Solutions Llc Dba Warren Pumps), A476 (Circor Naval Solutions Llc Dba Warren Pumps), A292 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-398-9533?

There are 6 known substitutes for 4320-00-398-9533: 5306-00-144-3648, 2990-00-347-5230, 5330-00-369-4678 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A476?

Key specifications for A476: End Item Identification: CENTRIFUGAL PUMP. 1 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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