PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8129-000-NICU-5 3/8Impeller,pump,centrifugal

Air & Liquid Systems Corporation Dba Buffalo Pumps · NSN 4320-01-205-8794 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-205-8794 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-205-8794. Primary manufacturer part number: 8129-000-NICU-5 3/8.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Overall Diameter: 5.375 INCHES NOMINAL IN
  • Material: NICKEL ALLOY
  • Rotation Direction for Which Designed: CLOCKWISE
  • 5 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 construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-205-8794, 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 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-205-8794
Primary Part Number8129-000-NICU-5 3/8
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerAir & Liquid Systems Corporation Dba Buffalo Pumps
StatusACTIVE
Overall Diameter5.375 INCHES NOMINAL IN
MaterialNICKEL ALLOY
Rotation Direction for Which DesignedCLOCKWISE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-144-89250052076 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5950-00-324-2965885C886P0002 INTERCHANGEABLE
Transformer,current
Lockheed Martin Corp Naval Electronics & Surveillance Systems
5330-00-472-6083 INTERCHANGEABLE
Gasket
5330-00-808-2337 INTERCHANGEABLE
Retainer,packing
6520-00-850-512706075 INTERCHANGEABLE
File,pulp Canal,dental
Kerr Corporation
4510-01-161-0252MODEL 8129FC INTERCHANGEABLE
Shower Head
Haws Corporation
4320-01-205-87938129-500 INTERCHANGEABLE
Impeller,pump,centrifugal
Air & Liquid Systems Corporation Dba Buffalo Pumps
5330-01-466-90718-129 N300-90 INTERCHANGEABLE
Retainer,packing
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
CA11954 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
8129 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA11954-3 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
8129-000 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
8129-000-NICU-5 3/8 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
Related Parts
3110-00-144-8925INTERCHANGEABLE
BEARING,BALL,ANNULAR
0052076
5950-00-324-2965INTERCHANGEABLE
TRANSFORMER,CURRENT
885C886P0002
5330-00-472-6083INTERCHANGEABLE
GASKET
5330-00-808-2337INTERCHANGEABLE
RETAINER,PACKING
6520-00-850-5127INTERCHANGEABLE
FILE,PULP CANAL,DENTAL
06075
4510-01-161-0252INTERCHANGEABLE
SHOWER HEAD
MODEL 8129FC
4320-01-205-8793INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
8129-500
5330-01-466-9071INTERCHANGEABLE
RETAINER,PACKING
8-129 N300-90

Frequently Asked Questions

What is NSN 4320-01-205-8794?

NSN 4320-01-205-8794 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 4320-01-205-8794?

NSN 4320-01-205-8794 has 5 cross-referenced part numbers: CA11954 (Air & Liquid Systems Corporation Dba Buffalo Pumps), 8129 (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA11954-3 (Air & Liquid Systems Corporation Dba Buffalo Pumps), 8129-000 (Air & Liquid Systems Corporation Dba Buffalo Pumps), 8129-000-NICU-5 3/8 (Air & Liquid Systems Corporation Dba Buffalo Pumps).

What NSN replaces 4320-01-205-8794?

There are 8 known substitutes for 4320-01-205-8794: 3110-00-144-8925, 5950-00-324-2965, 5330-00-472-6083 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8129-000-NICU-5 3/8?

Key specifications for 8129-000-NICU-5 3/8: Overall Diameter: 5.375 INCHES NOMINAL IN; Material: NICKEL ALLOY; Rotation Direction for Which Designed: CLOCKWISE. 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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