PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A301-2Impeller,pump,centrifugal

Carver Pump Company · NSN 4320-00-398-6556 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-6556 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-6556. Primary manufacturer part number: A301-2.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Material: COPPER ALLOY
  • Overall Diameter: 8.000 INCHES NOMINAL IN
  • Blade Quantity: 3
  • 2 verified cross-references
  • Primary manufacturer: Carver Pump Company
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 4320-00-398-6556, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Carver Pump Company. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-398-6556
Primary Part NumberA301-2
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCarver Pump Company
StatusACTIVE
MaterialCOPPER ALLOY
Overall Diameter8.000 INCHES NOMINAL IN
Blade Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4710-00-143-9433A3012 INTERCHANGEABLE
Pipe,metallic
Mid-State Sales, Inc. Div Defense Products Group
4730-00-159-8315 INTERCHANGEABLE
Nut,union
5305-00-206-4670AG17S6505-691575PC83 INTERCHANGEABLE
Setscrew
Naval Ship Systems Command
5342-00-355-9727 INTERCHANGEABLE
Mount,resilient,weapon System
2920-00-587-1508DV-202720-1 INTERCHANGEABLE
Drive,engine,electrical Starter
Kocsis Technologies Inc Dba Kocsis Technologies Inc
5340-00-597-6325 INTERCHANGEABLE
Mount,resilient,utility
3120-00-661-5005A301-2 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
5961-00-932-4522A3012 INTERCHANGEABLE
Semiconductor Device,diode
Avago Technologies Us Inc Div Avago Technologies
5960-00-976-48715YTHATW1TH3206-6AND3203-6T INTERCHANGEABLE
Retainer,electron Tube
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
6685-01-055-4806A301 INTERCHANGEABLE
Pressure Tip
Dwyer Instruments Inc
Cross-Reference Index
Part NumberManufacturer
A301-2 PRIMARY Carver Pump Company (USA)
A301 PRIMARY Carver Pump Company (USA)
Related Parts
4710-00-143-9433INTERCHANGEABLE
PIPE,METALLIC
A3012
4730-00-159-8315INTERCHANGEABLE
NUT,UNION
5305-00-206-4670INTERCHANGEABLE
SETSCREW
AG17S6505-691575PC83
5342-00-355-9727INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
2920-00-587-1508INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
DV-202720-1
5340-00-597-6325INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
3120-00-661-5005INTERCHANGEABLE
BEARING,SLEEVE
A301-2
5961-00-932-4522INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
A3012
5960-00-976-4871INTERCHANGEABLE
RETAINER,ELECTRON TUBE
5YTHATW1TH3206-6AND3203-6T
6685-01-055-4806INTERCHANGEABLE
PRESSURE TIP
A301
5945-01-089-2105INTERCHANGEABLE
SOLENOID,ELECTRICAL
0026-0138
7510-01-470-6078INTERCHANGEABLE
RUBBER BAND
AA1807

Frequently Asked Questions

What is NSN 4320-00-398-6556?

NSN 4320-00-398-6556 is a Impeller,pump,centrifugal, manufactured by Carver Pump Company, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-398-6556?

NSN 4320-00-398-6556 has 2 cross-referenced part numbers: A301-2 (Carver Pump Company), A301 (Carver Pump Company).

What NSN replaces 4320-00-398-6556?

There are 12 known substitutes for 4320-00-398-6556: 4710-00-143-9433, 4730-00-159-8315, 5305-00-206-4670 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A301-2?

Key specifications for A301-2: Material: COPPER ALLOY; Overall Diameter: 8.000 INCHES NOMINAL IN; Blade Quantity: 3. 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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