PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-0207-01Sleeve,shaft,pump

Air & Liquid Systems Corporation Dba Buffalo Pumps · NSN 4320-01-423-6500 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-423-6500 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-423-6500. Primary manufacturer part number: 8-0207-01.
Features
  • Sleeve,shaft,pump — FSC 4320
  • Material: NICKEL ALLOY 400 OVERALL
  • Material Document and Classification: ASTM B164,ALLOY 400,CLASS A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Body Outside Diameter: 4.3750 INCHES NOMINAL IN
  • Body Inside Diameter: 3.2500 INCHES NOMINAL IN
  • 4 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 Nickel Alloy 400 Overall construction
General Description

The Sleeve,shaft,pump, cataloged under National Stock Number 4320-01-423-6500, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-423-6500
Primary Part Number8-0207-01
Item NameSleeve,shaft,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerAir & Liquid Systems Corporation Dba Buffalo Pumps
StatusACTIVE
MaterialNICKEL ALLOY 400 OVERALL
Material Document and ClassificationASTM B164,ALLOY 400,CLASS A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Body Outside Diameter4.3750 INCHES NOMINAL IN
Body Inside Diameter3.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5945-00-500-671080207-01 INTERCHANGEABLE
Relay,thermal
Ge Aviation Systems Llc
4320-01-423-43469-0566-01 INTERCHANGEABLE
Ring,wearing
Air & Liquid Systems Corporation Dba Buffalo Pumps
4320-01-423-44256823-42 INTERCHANGEABLE
Deflector,dirt and Liquid
Air & Liquid Systems Corporation Dba Buffalo Pumps
4320-01-423-44276823-43 INTERCHANGEABLE
Deflector,dirt and Liquid
Air & Liquid Systems Corporation Dba Buffalo Pumps
4320-01-423-56843-0442-01 INTERCHANGEABLE
Impeller,pump,centrifugal
Air & Liquid Systems Corporation Dba Buffalo Pumps
4320-01-423-65278-0209-01 INTERCHANGEABLE
Sleeve,shaft,pump
Air & Liquid Systems Corporation Dba Buffalo Pumps
1680-01-658-566180-207-01 INTERCHANGEABLE
Switch,special
Eldec Aerospace Corp
Cross-Reference Index
Part NumberManufacturer
8-0207-01 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
PL.16VHSM-1 ITEM 8 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
NA1798 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
NA1780 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
Related Parts
5945-00-500-6710INTERCHANGEABLE
RELAY,THERMAL
80207-01
4320-01-423-4346INTERCHANGEABLE
RING,WEARING
9-0566-01
4320-01-423-4425INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
6823-42
4320-01-423-4427INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
6823-43
4320-01-423-5684INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
3-0442-01
4320-01-423-6527INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
8-0209-01
1680-01-658-5661INTERCHANGEABLE
SWITCH,SPECIAL
80-207-01

Frequently Asked Questions

What is NSN 4320-01-423-6500?

NSN 4320-01-423-6500 is a Sleeve,shaft,pump, 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 4320-01-423-6500?

NSN 4320-01-423-6500 has 4 cross-referenced part numbers: 8-0207-01 (Air & Liquid Systems Corporation Dba Buffalo Pumps), PL.16VHSM-1 ITEM 8 (Air & Liquid Systems Corporation Dba Buffalo Pumps), NA1798 (Air & Liquid Systems Corporation Dba Buffalo Pumps), NA1780 (Air & Liquid Systems Corporation Dba Buffalo Pumps).

What NSN replaces 4320-01-423-6500?

There are 7 known substitutes for 4320-01-423-6500: 5945-00-500-6710, 4320-01-423-4346, 4320-01-423-4425 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8-0207-01?

Key specifications for 8-0207-01: Material: NICKEL ALLOY 400 OVERALL; Material Document and Classification: ASTM B164,ALLOY 400,CLASS A ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Body Outside Diameter: 4.3750 INCHES NOMINAL IN; Body Inside Diameter: 3.2500 INCHES NOMINAL IN. 7 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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