PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6297-4Impeller,pump,centrifugal

Air & Liquid Systems Corporation Dba Buffalo Pumps · NSN 4320-01-280-5301 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-280-5301 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-280-5301. Primary manufacturer part number: 6297-4.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Rotation Direction for Which Designed: CLOCKWISE
  • Material: COPPER ALLOY
  • Overall Diameter: 8.000 INCHES MINIMUM AND 9.750 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Air & Liquid Systems Corporation Dba Buffalo Pumps
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 4320-01-280-5301, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Air & Liquid Systems Corporation Dba Buffalo Pumps. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN4320-01-280-5301
Primary Part Number6297-4
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerAir & Liquid Systems Corporation Dba Buffalo Pumps
StatusACTIVE
Rotation Direction for Which DesignedCLOCKWISE
MaterialCOPPER ALLOY
Overall Diameter8.000 INCHES MINIMUM AND 9.750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-640-89606297 REV K5 INTERCHANGEABLE
Bearing,roller,cylindrical
Rtx Corporation Div Pratt & Whitney
5330-00-811-1603034054 INTERCHANGEABLE
Gasket
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
Cross-Reference Index
Part NumberManufacturer
CA10418 PIECE 3 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
6297-1 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
6297-4 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
Related Parts
3110-00-640-8960INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
6297 REV K5
5330-00-811-1603INTERCHANGEABLE
GASKET
034054

Frequently Asked Questions

What is NSN 4320-01-280-5301?

NSN 4320-01-280-5301 is a Impeller,pump,centrifugal, manufactured by Air & Liquid Systems Corporation Dba Buffalo Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-280-5301?

NSN 4320-01-280-5301 has 3 cross-referenced part numbers: CA10418 PIECE 3 (Air & Liquid Systems Corporation Dba Buffalo Pumps), 6297-1 (Air & Liquid Systems Corporation Dba Buffalo Pumps), 6297-4 (Air & Liquid Systems Corporation Dba Buffalo Pumps).

What NSN replaces 4320-01-280-5301?

There are 2 known substitutes for 4320-01-280-5301: 3110-00-640-8960, 5330-00-811-1603. Verify interchangeability with system specifications before substitution.

What are the specifications of 6297-4?

Key specifications for 6297-4: Rotation Direction for Which Designed: CLOCKWISE; Material: COPPER ALLOY; Overall Diameter: 8.000 INCHES MINIMUM AND 9.750 INCHES MAXIMUM IN. 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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