PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A53SPump Unit,centrifugal

Itt Rule Industries Inc Danforth Div · NSN 4320-01-579-8500 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-579-8500 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-579-8500. Primary manufacturer part number: A53S.
Features
  • Pump Unit,centrifugal — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Itt Rule Industries Inc Danforth Div
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-579-8500, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Itt Rule Industries Inc Danforth Div. This item has 1 commercial cross-reference 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
NSN4320-01-579-8500
Primary Part NumberA53S
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerItt Rule Industries Inc Danforth Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3030-00-632-9182A53 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5996-01-080-7856725003-8 INTERCHANGEABLE
Amplifier,radio Frequency
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
A53S PRIMARY Itt Rule Industries Inc Danforth Div (USA)
Related Parts
3030-00-632-9182INTERCHANGEABLE
BELT,V
A53
5996-01-080-7856INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
725003-8

Frequently Asked Questions

What is NSN 4320-01-579-8500?

NSN 4320-01-579-8500 is a Pump Unit,centrifugal, manufactured by Itt Rule Industries Inc Danforth Div, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-579-8500?

NSN 4320-01-579-8500 has 1 cross-referenced part number: A53S (Itt Rule Industries Inc Danforth Div).

What NSN replaces 4320-01-579-8500?

There are 2 known substitutes for 4320-01-579-8500: 3030-00-632-9182, 5996-01-080-7856. Verify interchangeability with system specifications before substitution.

What are the specifications of A53S?

Key specifications for A53S: Part Name Assigned by Controlling Agency: FULLY AUTOMATIC POOL COVER DRAIN PUMP; Special Features: 3 YEAR WARRANTY; PUMP TURN ON AND CHECK FOR WATER APPROXIMATELY EVER 2 AND 1 HALF MINUTES; DURING THIS (CHECK) THE PUMP RUNS FOR ABOUT ONE SECOND AND CHECKS FOR RESISTANCE OR DRAG AGAINST THE IMPELLER; IF RESISTANCE (WATER) IS FOUND, IT WILL RUN FOR AS LONG AS WATER IS PRESENT; WHEN ALL THE WATER IS PUMPED OUT, THE PUMP SHUTS OFF AND RETURNS TO ITS 2 AND 1 HALF MINUTE TEST CYCLE; THE PUMP CAN BE STARTED AT ANY TIME BY DISCONNECTING IT FROM THE POWER SOURCE, WAITING FOR 5 SECONDS AND RECONNECTING TO THE POWER SOURCE. 2 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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