PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4666-125-02-001Pump Unit,centrifugal

Griswold Pump Co · NSN 4320-00-409-0033 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-409-0033 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-409-0033. Primary manufacturer part number: 4666-125-02-001.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Stage Quantity: 1
  • Prime Mover Cooling Medium: AIR
  • Current Type: AC
  • Centrifugal Pump Impeller Quantity: 1
  • Centrifugal Pump Impeller Suction Type: SINGLE
  • Prime Mover Type: ELECTRIC MOTOR
  • Discharge Connection Thread Size and Series/type Designator: 1.250-11-1/2 NPT
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-409-0033, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Griswold Pump Co. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-409-0033
Primary Part Number4666-125-02-001
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerGriswold Pump Co
StatusACTIVE
Stage Quantity1
Prime Mover Cooling MediumAIR
Current TypeAC
Centrifugal Pump Impeller Quantity1
Centrifugal Pump Impeller Suction TypeSINGLE
Prime Mover TypeELECTRIC MOTOR
Discharge Connection Thread Size and Series/type Designator1.250-11-1/2 NPT
Pumping Element Operating PositionVERTICAL
Operating Speed at Rated Capacity1725.0 REVOLUTIONS PER MINUTE
Current Rating in Amps5.9
Inclosure TypeFULLY INCLOSED
Centrifugal Pump DesignMIXED FLOW
Frequency in Hertz60.0
Voltage in Volts115.0
Cooling MethodSELF VENTILATED
Prime Mover Power Rating0.333 HORSEPOWER
PhaseSINGLE
Media for Which DesignedWATER, FRESH
Environmental ProtectionWATERPROOF
Pump Quantity1
Prime Mover Quantity1
Discharge Connection Quantity1
Discharge Connection TypeTHREADED INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-108-9332109119-15 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-00-188-1864A733S-49CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
5310-00-387-9453 INTERCHANGEABLE
Nut,sleeve
4730-00-557-76104666 INTERCHANGEABLE
Coupling Assembly,quick Disconne
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
6135-00-643-1309 INTERCHANGEABLE
Battery,nonrechargeable
5330-00-802-34834666 INTERCHANGEABLE
Seal,nacelle
Flexco, Inc
9340-00-884-21414666 INTERCHANGEABLE
Window,observation
Hoyt Corporation
5970-01-045-75974666 INTERCHANGEABLE
Insulator,plate
Keystone Electronics Corp
6760-01-064-2096 INTERCHANGEABLE
Stand,copy,photogra
6515-01-131-6219 INTERCHANGEABLE
Suction Kit,tracheal
Cross-Reference Index
Part NumberManufacturer
4667B Crane Co Dba Crane-Deming Pumps Division Div Deming Pumps (USA)
4666-125-02-001 Crane Co Dba Crane-Deming Pumps Division Div Deming Pumps (USA)
4666 Crane Co Dba Crane-Deming Pumps Division Div Deming Pumps (USA)
4666-125-02-001 PRIMARY Griswold Pump Co (USA)
Related Parts
3110-00-108-9332INTERCHANGEABLE
BEARING,BALL,ANNULAR
109119-15
4730-00-188-1864INTERCHANGEABLE
NIPPLE,PIPE
A733S-49CFB
5310-00-387-9453INTERCHANGEABLE
NUT,SLEEVE
4730-00-557-7610INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
4666
6135-00-643-1309INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
5330-00-802-3483INTERCHANGEABLE
SEAL,NACELLE
4666
9340-00-884-2141INTERCHANGEABLE
WINDOW,OBSERVATION
4666
5970-01-045-7597INTERCHANGEABLE
INSULATOR,PLATE
4666
6760-01-064-2096INTERCHANGEABLE
STAND,COPY,PHOTOGRA
6515-01-131-6219INTERCHANGEABLE
SUCTION KIT,TRACHEAL
2940-01-220-5813INTERCHANGEABLE
FILTER ELEMENT,FLUID
4666
5999-01-342-9913INTERCHANGEABLE
WIRE MESH,KNITTED
4666

Frequently Asked Questions

What is NSN 4320-00-409-0033?

NSN 4320-00-409-0033 is a Pump Unit,centrifugal, manufactured by Griswold Pump Co, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-409-0033?

NSN 4320-00-409-0033 has 4 cross-referenced part numbers: 4667B (Crane Co Dba Crane-Deming Pumps Division Div Deming Pumps), 4666-125-02-001 (Crane Co Dba Crane-Deming Pumps Division Div Deming Pumps), 4666 (Crane Co Dba Crane-Deming Pumps Division Div Deming Pumps), 4666-125-02-001 (Griswold Pump Co).

What NSN replaces 4320-00-409-0033?

There are 12 known substitutes for 4320-00-409-0033: 3110-00-108-9332, 4730-00-188-1864, 5310-00-387-9453 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4666-125-02-001?

Key specifications for 4666-125-02-001: Stage Quantity: 1; Prime Mover Cooling Medium: AIR; Current Type: AC; Centrifugal Pump Impeller Quantity: 1. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com