PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

581002Pump Unit,centrifugal

Little Giant Pump Co · NSN 4320-00-412-1800 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-412-1800 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-412-1800. Primary manufacturer part number: 581002.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Voltage in Volts: 115.0
  • Discharge Connection Type: THREADED EXTERNAL
  • Intake Connection Quantity: 1
  • Discharge Connection Quantity: 1
  • Pump Quantity: 1
  • Inclosure Type: OPEN
  • Pumping Element Operating Position: HORIZONTAL
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-412-1800, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-412-1800
Primary Part Number581002
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerLittle Giant Pump Co
StatusACTIVE
Voltage in Volts115.0
Discharge Connection TypeTHREADED EXTERNAL
Intake Connection Quantity1
Discharge Connection Quantity1
Pump Quantity1
Inclosure TypeOPEN
Pumping Element Operating PositionHORIZONTAL
Centrifugal Pump DesignMIXED FLOW
Centrifugal Pump Impeller Suction TypeSINGLE
Centrifugal Pump Impeller Quantity1
Intake Connection Thread Size and Series/type Designator0.500-14 NPT
Prime Mover TypeELECTRIC MOTOR
Maximum Discharge Flow Rate9.2 GALLONS PER MINUTE
Discharge Connection Thread Size and Series/type Designator0.500-14 NPT
Discharge Pressure.5 LOW VOLATILE ORGANIC COMPOUND - SOLVENTS - SOLVENTS
Current Rating in Amps1.7
Frequency in Hertz60.0
Cooling MethodSELF VENTILATED
PhaseSINGLE
Prime Mover Power Rating0.050 HORSEPOWER
Current TypeAC
Intake Connection TypeTHREADED INTERNAL
Prime Mover Quantity1
Stage Quantity1
Media for Which DesignedWATER, FRESH
Prime Mover Cooling MediumAIR
Environmental ProtectionDRIPPROOF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3455-00-231-347510040 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
5365-01-045-2672 INTERCHANGEABLE
Bushing,nonmetallic
5999-01-258-7352WT-H0073 INTERCHANGEABLE
Contact,electrical
Raytheon E-Systems, Inc
5305-01-732-2875581920 INTERCHANGEABLE
Screw,cap,socket Head
Brighton-Best International Inc
Cross-Reference Index
Part NumberManufacturer
3MD Little Giant Pump Co (USA)
581003 Little Giant Pump Co (USA)
581002 PRIMARY Little Giant Pump Co (USA)
581920 Little Giant Pump Co (USA)
Related Parts
3455-00-231-3475INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10040
5365-01-045-2672INTERCHANGEABLE
BUSHING,NONMETALLIC
5999-01-258-7352INTERCHANGEABLE
CONTACT,ELECTRICAL
WT-H0073
5305-01-732-2875INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
581920

Frequently Asked Questions

What is NSN 4320-00-412-1800?

NSN 4320-00-412-1800 is a Pump Unit,centrifugal, manufactured by Little Giant Pump Co, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-412-1800?

NSN 4320-00-412-1800 has 4 cross-referenced part numbers: 3MD (Little Giant Pump Co), 581003 (Little Giant Pump Co), 581002 (Little Giant Pump Co), 581920 (Little Giant Pump Co).

What NSN replaces 4320-00-412-1800?

There are 4 known substitutes for 4320-00-412-1800: 3455-00-231-3475, 5365-01-045-2672, 5999-01-258-7352 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 581002?

Key specifications for 581002: Voltage in Volts: 115.0; Discharge Connection Type: THREADED EXTERNAL; Intake Connection Quantity: 1; Discharge Connection Quantity: 1. 27 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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