PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57-0001Pump Unit,centrifugal

Zoeller Company Dba Zoeller Pump Company · NSN 4320-01-284-0525 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-284-0525 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-284-0525. Primary manufacturer part number: 57-0001.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Current Type: AC
  • Operation Relationship Design: SIMULTANEOUS
  • Cooling Method: WATER COOLED
  • Voltage in Volts: 115.0
  • Pumping Element Operating Position: VERTICAL
  • Phase: SINGLE
  • Maximum Discharge Flow Rate: 43.0 GALLONS PER MINUTE
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-284-0525, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Zoeller Company Dba Zoeller Pump Company. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-284-0525
Primary Part Number57-0001
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerZoeller Company Dba Zoeller Pump Company
StatusACTIVE
Current TypeAC
Operation Relationship DesignSIMULTANEOUS
Cooling MethodWATER COOLED
Voltage in Volts115.0
Pumping Element Operating PositionVERTICAL
PhaseSINGLE
Maximum Discharge Flow Rate43.0 GALLONS PER MINUTE
Total Head19.250 FEET FT
Inclosure TypeFULLY INCLOSED
Centrifugal Pump Impeller Quantity1
Stage Quantity1
Pump Quantity1
Environmental ProtectionWATERTIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2530-00-028-3343F8456 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
3010-00-161-017829B075 INTERCHANGEABLE
Coupling
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
3455-00-224-3667B94.19 TABLE 7 6X1/8X1 INTERCHANGEABLE
Cutter,milling,metal Slitting
American National Standards Institute Incorporated Dba American National Standards Institute
5905-00-482-8661 INTERCHANGEABLE
Resistor,fixed,wire Wound
5905-00-814-7389 INTERCHANGEABLE
Resistor,fixed,wire Wound
5910-00-947-9400 INTERCHANGEABLE
Capacitor,variable,plastic Diele
6220-01-085-00805700021 INTERCHANGEABLE
Light,marker,clearance
Heil Co the Midwest Parts Center
5930-01-135-0453MZ570001 INTERCHANGEABLE
Switch,mix Step
Columbia Machine Inc
6680-01-144-8984M-57 INTERCHANGEABLE
Indicator,sight,liquid
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
5961-01-578-5527570001 INTERCHANGEABLE
Holder,semiconductor Device
Thermex-Thermatron Inc
Cross-Reference Index
Part NumberManufacturer
57-0001 PRIMARY Zoeller Company Dba Zoeller Pump Company (USA)
M57 Zoeller Company Dba Zoeller Pump Company (USA)
Related Parts
2530-00-028-3343INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
F8456
3010-00-161-0178INTERCHANGEABLE
COUPLING
29B075
3455-00-224-3667INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
B94.19 TABLE 7 6X1/8X1
5905-00-482-8661INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5905-00-814-7389INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5910-00-947-9400INTERCHANGEABLE
CAPACITOR,VARIABLE,PLASTIC DIELE
6220-01-085-0080INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
5700021
5930-01-135-0453INTERCHANGEABLE
SWITCH,MIX STEP
MZ570001
6680-01-144-8984INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
M-57
5961-01-578-5527INTERCHANGEABLE
HOLDER,SEMICONDUCTOR DEVICE
570001
8145-01-632-0223INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
57000-1

Frequently Asked Questions

What is NSN 4320-01-284-0525?

NSN 4320-01-284-0525 is a Pump Unit,centrifugal, manufactured by Zoeller Company Dba Zoeller Pump Company, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-284-0525?

NSN 4320-01-284-0525 has 2 cross-referenced part numbers: 57-0001 (Zoeller Company Dba Zoeller Pump Company), M57 (Zoeller Company Dba Zoeller Pump Company).

What NSN replaces 4320-01-284-0525?

There are 11 known substitutes for 4320-01-284-0525: 2530-00-028-3343, 3010-00-161-0178, 3455-00-224-3667 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 57-0001?

Key specifications for 57-0001: Current Type: AC; Operation Relationship Design: SIMULTANEOUS; Cooling Method: WATER COOLED; Voltage in Volts: 115.0. 13 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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