PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-0460-01 10-1/2INImpeller,pump,centrifugal

Air & Liquid Systems Corporation Dba Buffalo Pumps · NSN 4320-01-509-2821 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-509-2821 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-509-2821. Primary manufacturer part number: 3-0460-01 10-1/2IN.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Hub Quantity: 1
  • Material: NICKEL ALLOY
  • Keyway Quantity: 1
  • Specification/standard Data: MIL-P-17639C/CANCELLED GOVERNMENT SPECIFICATION
  • Overall Diameter: 10.500 INCHES NOMINAL 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 Nickel Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-509-2821, 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 5 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-509-2821
Primary Part Number3-0460-01 10-1/2IN
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerAir & Liquid Systems Corporation Dba Buffalo Pumps
StatusACTIVE
Hub Quantity1
MaterialNICKEL ALLOY
Keyway Quantity1
Specification/standard DataMIL-P-17639C/CANCELLED GOVERNMENT SPECIFICATION
Overall Diameter10.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4320-01-509-28039-0599-01 INTERCHANGEABLE
Ring,wearing
Air & Liquid Systems Corporation Dba Buffalo Pumps
4320-01-509-28109-0607-01 INTERCHANGEABLE
Ring,wearing
Air & Liquid Systems Corporation Dba Buffalo Pumps
4320-01-509-28138-0236-01 INTERCHANGEABLE
Sleeve,shaft,pump
Air & Liquid Systems Corporation Dba Buffalo Pumps
3040-01-509-28267-0114-01 INTERCHANGEABLE
Shaft,shouldered
Air & Liquid Systems Corporation Dba Buffalo Pumps
3010-01-509-2834214-23-013 INTERCHANGEABLE
Coupling,shaft,flexible
Air & Liquid Systems Corporation Dba Buffalo Pumps
4320-01-509-4624231-31-1571 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Air & Liquid Systems Corporation Dba Buffalo Pumps
Cross-Reference Index
Part NumberManufacturer
3-0460-01 10-1/2IN PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
PL EGS95-1 ITEM NO 3 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
EGS95-1 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
Related Parts
4320-01-509-2803INTERCHANGEABLE
RING,WEARING
9-0599-01
4320-01-509-2810INTERCHANGEABLE
RING,WEARING
9-0607-01
4320-01-509-2813INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
8-0236-01
3040-01-509-2826INTERCHANGEABLE
SHAFT,SHOULDERED
7-0114-01
3010-01-509-2834INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
214-23-013
4320-01-509-4624INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
231-31-1571

Frequently Asked Questions

What is NSN 4320-01-509-2821?

NSN 4320-01-509-2821 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 4320-01-509-2821?

NSN 4320-01-509-2821 has 3 cross-referenced part numbers: 3-0460-01 10-1/2IN (Air & Liquid Systems Corporation Dba Buffalo Pumps), PL EGS95-1 ITEM NO 3 (Air & Liquid Systems Corporation Dba Buffalo Pumps), EGS95-1 (Air & Liquid Systems Corporation Dba Buffalo Pumps).

What NSN replaces 4320-01-509-2821?

There are 6 known substitutes for 4320-01-509-2821: 4320-01-509-2803, 4320-01-509-2810, 4320-01-509-2813 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-0460-01 10-1/2IN?

Key specifications for 3-0460-01 10-1/2IN: Hub Quantity: 1; End Item Identification: PUMP CENTRIFUGAL, EGS95, SHIPBOARD USE; Material: NICKEL ALLOY; Keyway Quantity: 1. 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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