PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

231-31-1571Seal Assembly,shaft,spring Loade

Air & Liquid Systems Corporation Dba Buffalo Pumps · NSN 4320-01-509-4624 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-509-4624 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-509-4624. Primary manufacturer part number: 231-31-1571.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • Functional Description: USED ON CENTRIFUGAL PUMP, 1100 GPH, 150 PSI, 3600RPM, MD RPM
  • 3 verified cross-references
  • Primary manufacturer: Air & Liquid Systems Corporation Dba Buffalo Pumps
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Mechanical energy storage
  • Vibration dampening
General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-509-4624, 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 1 verified specification, 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
NSN4320-01-509-4624
Primary Part Number231-31-1571
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerAir & Liquid Systems Corporation Dba Buffalo Pumps
StatusACTIVE
Functional DescriptionUSED ON CENTRIFUGAL PUMP, 1100 GPH, 150 PSI, 3600RPM, MD RPM
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
4320-01-509-28213-0460-01 10-1/2IN INTERCHANGEABLE
Impeller,pump,centrifugal
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
Cross-Reference Index
Part NumberManufacturer
EGS95-1 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
PL EGS95-1 ITEM NO 82 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
231-31-1571 PRIMARY 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
4320-01-509-2821INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
3-0460-01 10-1/2IN
3040-01-509-2826INTERCHANGEABLE
SHAFT,SHOULDERED
7-0114-01
3010-01-509-2834INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
214-23-013

Frequently Asked Questions

What is NSN 4320-01-509-4624?

NSN 4320-01-509-4624 is a Seal Assembly,shaft,spring Loade, 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 4320-01-509-4624?

NSN 4320-01-509-4624 has 3 cross-referenced part numbers: EGS95-1 (Air & Liquid Systems Corporation Dba Buffalo Pumps), PL EGS95-1 ITEM NO 82 (Air & Liquid Systems Corporation Dba Buffalo Pumps), 231-31-1571 (Air & Liquid Systems Corporation Dba Buffalo Pumps).

What NSN replaces 4320-01-509-4624?

There are 6 known substitutes for 4320-01-509-4624: 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 231-31-1571?

Key specifications for 231-31-1571: End Item Identification: EGS 95 PUMP WITH A 445TNZ MOTOR FRAME; Part Name Assigned by Controlling Agency: MECHANICAL SEAL; Functional Description: USED ON CENTRIFUGAL PUMP, 1100 GPH, 150 PSI, 3600RPM, MD RPM. 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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