PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A141Impeller

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-398-9468 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-9468 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-9468. Primary manufacturer part number: A141.
Features
  • Impeller — FSC 4320
  • 5 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Impeller, cataloged under National Stock Number 4320-00-398-9468, 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 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameImpeller
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCircor Naval Solutions Llc Dba Warren Pumps (CAGE 63857)
Technical Specifications
ParameterValue
NSN4320-00-398-9468
Primary Part NumberA141
Item NameImpeller
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-011-8538SAE J512 5 010111B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
5950-00-118-8123278-2108-010 INTERCHANGEABLE
Transformer,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5975-00-448-5015A141 INTERCHANGEABLE
Chassis,electrical-Electronic Eq
California Chassis, Inc.
4330-00-932-1080F03-02-000 INTERCHANGEABLE
Filter,fluid
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
3455-01-050-5285 INTERCHANGEABLE
File,rotary
8455-01-554-8751 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-554-8813 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-664-0630 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-699-7879 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
BS4-1852PC6 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1409PC4 Circor Naval Solutions Llc Dba Warren Pumps (USA)
A141 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1853PC6 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1408PC4 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
4730-00-011-8538INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J512 5 010111B
5950-00-118-8123INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
278-2108-010
5975-00-448-5015INTERCHANGEABLE
CHASSIS,ELECTRICAL-ELECTRONIC EQ
A141
4330-00-932-1080INTERCHANGEABLE
FILTER,FLUID
F03-02-000
3455-01-050-5285INTERCHANGEABLE
FILE,ROTARY
8455-01-554-8751INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-554-8813INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-664-0630INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-699-7879INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 4320-00-398-9468?

NSN 4320-00-398-9468 is a Impeller, 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 4320-00-398-9468?

NSN 4320-00-398-9468 has 5 cross-referenced part numbers: BS4-1852PC6 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1409PC4 (Circor Naval Solutions Llc Dba Warren Pumps), A141 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1853PC6 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1408PC4 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-398-9468?

There are 9 known substitutes for 4320-00-398-9468: 4730-00-011-8538, 5950-00-118-8123, 5975-00-448-5015 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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