PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

345003Impeller,pump,centrifugal

Grundfos Pumps Corp · NSN 4320-01-304-4587 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-304-4587 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-304-4587. Primary manufacturer part number: 345003.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Material: STEEL CORROSION RESISTING
  • Rotation Direction for Which Designed: COUNTERCLOCKWISE
  • Overall Diameter: 111.0 MILLIMETERS NOMINAL MM
  • 2 verified cross-references
  • Primary manufacturer: Grundfos Pumps Corp
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-304-4587, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Grundfos Pumps Corp. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-304-4587
Primary Part Number345003
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerGrundfos Pumps Corp
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Overall Diameter111.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-383-6745 INTERCHANGEABLE
Gear Set
5998-01-175-628034500-3 INTERCHANGEABLE
Circuit Card Assembly
Hamilton Sundstrand Corporation Dba Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
345003 PRIMARY Grundfos Pumps Corp (USA)
48690916 Vapor Corp Sub of Brunswick Corp (USA)
Related Parts
3020-00-383-6745INTERCHANGEABLE
GEAR SET
5998-01-175-6280INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
34500-3

Frequently Asked Questions

What is NSN 4320-01-304-4587?

NSN 4320-01-304-4587 is a Impeller,pump,centrifugal, manufactured by Grundfos Pumps Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-304-4587?

NSN 4320-01-304-4587 has 2 cross-referenced part numbers: 345003 (Grundfos Pumps Corp), 48690916 (Vapor Corp Sub of Brunswick Corp).

What NSN replaces 4320-01-304-4587?

There are 2 known substitutes for 4320-01-304-4587: 3020-00-383-6745, 5998-01-175-6280. Verify interchangeability with system specifications before substitution.

What are the specifications of 345003?

Key specifications for 345003: Material: STEEL CORROSION RESISTING; Rotation Direction for Which Designed: COUNTERCLOCKWISE; End Item Identification: GRUNDFOS PUMPS MODEL CR30 NPT 6-8 CENTRIFUGAL PUMP; Overall Diameter: 111.0 MILLIMETERS NOMINAL MM. 4 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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