PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

523003Pump,centrifugal

Little Giant Pump Co · NSN 4320-01-585-0711 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-585-0711 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-585-0711. Primary manufacturer part number: 523003.
Features
  • Pump,centrifugal — FSC 4320
  • Material: PLASTIC PUMP BASIC
  • Unpackaged Unit Width: 3.000 INCHES NOMINAL IN
  • Discharge Connection Quantity: 1
  • Unpackaged Unit Length: 3.880 INCHES NOMINAL IN
  • Discharge Connection Type: THREADED EXTERNAL
  • Unpackaged Unit Height: 3.880 INCHES NOMINAL IN
  • Media for Which Designed: LIQUID
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Plastic Pump Basic construction
General Description

The Pump,centrifugal, cataloged under National Stock Number 4320-01-585-0711, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Little Giant Pump Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN4320-01-585-0711
Primary Part Number523003
Item NamePump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerLittle Giant Pump Co
StatusACTIVE
MaterialPLASTIC PUMP BASIC
Unpackaged Unit Width3.000 INCHES NOMINAL IN
Discharge Connection Quantity1
Unpackaged Unit Length3.880 INCHES NOMINAL IN
Discharge Connection TypeTHREADED EXTERNAL
Unpackaged Unit Height3.880 INCHES NOMINAL IN
Media for Which DesignedLIQUID
Centrifugal Pump Impeller Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5360-00-539-9259A35013 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
4720-01-173-4609A3501-3 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
Cross-Reference Index
Part NumberManufacturer
523003 PRIMARY Little Giant Pump Co (USA)
6540NCM104391 Defense Medical Standardization Board (USA)
16793 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
A35013 Optical Equipment Group Llc Div A.i.t. Industries (USA)
Related Parts
5360-00-539-9259INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A35013
4720-01-173-4609INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
A3501-3

Frequently Asked Questions

What is NSN 4320-01-585-0711?

NSN 4320-01-585-0711 is a Pump,centrifugal, manufactured by Little Giant Pump Co, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-585-0711?

NSN 4320-01-585-0711 has 4 cross-referenced part numbers: 523003 (Little Giant Pump Co), 6540NCM104391 (Defense Medical Standardization Board), 16793 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), A35013 (Optical Equipment Group Llc Div A.i.t. Industries).

What NSN replaces 4320-01-585-0711?

There are 2 known substitutes for 4320-01-585-0711: 5360-00-539-9259, 4720-01-173-4609. Verify interchangeability with system specifications before substitution.

What are the specifications of 523003?

Key specifications for 523003: End Item Identification: 6540-01-557-4151 EDGER,HAND,OPHTHALMIC LENS; Special Features: PERMANENTLY LUBRICATED PUMP; FOR SUBMERSIBLE USE ONLY; 0.00625 HORSEPOWER; FLOW: 120 GPH AT 1 FT OF HEAD; VOLTAGE: 115 VAC; HERTZ: 60; AMPS: 0.5; WATTS: 30; CORD LENGTH: 6 FT; 4.6 FT MAX. LIFT; 0.25 MNPT DISCHARGE; CORROSION RESISTANT NYLON BODY VAC; Material: PLASTIC PUMP BASIC; Part Name Assigned by Controlling Agency: PUMP SUBMERSIBLE FOR CIRCULATION. 11 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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