PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3038K444Pump Unit,centrifugal

Wilo Usa Llc · NSN 4320-01-440-7427 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-440-7427 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-440-7427. Primary manufacturer part number: 3038K444.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Stage Quantity: 1
  • Intake Connection Type: THREADED INTERNAL
  • Pumping Element Operating Position: HORIZONTAL
  • Operating Speed at Rated Capacity: 3500.0 REVOLUTIONS PER MINUTE
  • Intake Connection Thread Size and Series/type Designator: 2.000-11-1/2 NPT
  • Centrifugal Pump Impeller Suction Type: SINGLE
  • Centrifugal Pump Design: MIXED FLOW
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-440-7427, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Wilo Usa Llc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-440-7427
Primary Part Number3038K444
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWilo Usa Llc
StatusACTIVE
Stage Quantity1
Intake Connection TypeTHREADED INTERNAL
Pumping Element Operating PositionHORIZONTAL
Operating Speed at Rated Capacity3500.0 REVOLUTIONS PER MINUTE
Intake Connection Thread Size and Series/type Designator2.000-11-1/2 NPT
Centrifugal Pump Impeller Suction TypeSINGLE
Centrifugal Pump DesignMIXED FLOW
Centrifugal Pump Impeller Quantity1
Current Rating in Amps4.9
Inclosure TypeFULLY INCLOSED
Prime Mover TypeELECTRIC MOTOR
Discharge Connection Thread Size and Series/type Designator1.500-11-1/2 NPT
Voltage in Volts440.0
Prime Mover Power Rating5.0 HORSEPOWER
Frequency in Hertz60.0
Cooling MethodAIR TO AIR COOLED
PhaseTHREE
Current TypeAC
Prime Mover Quantity1
Intake Connection Quantity1
Pump Quantity1
Discharge Connection Quantity1
Mounting TypeBASE
Discharge Connection TypeTHREADED INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6145-00-060-2476 INTERCHANGEABLE
Wire,electrical
6640-00-275-0748 INTERCHANGEABLE
Box,sample,laboratory
5120-00-277-1260 INTERCHANGEABLE
Wrench,open End
5330-00-425-095613595-6691 INTERCHANGEABLE
Packing,preformed
Cashco Inc
5120-01-172-80796691 INTERCHANGEABLE
Tightener,load
Huntington Partners, Inc. Dba Continental Tool & Mfg.
5310-01-350-0416 INTERCHANGEABLE
Nut,plain,cap
5950-01-396-1104654E4691-650 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation
4320-01-440-76223038K410 INTERCHANGEABLE
Pump,centrifugal
Wilo Usa Llc
6520-01-561-5415900-7599 INTERCHANGEABLE
Cutter,wire,dental
Henry Schein, Inc.
Cross-Reference Index
Part NumberManufacturer
6691 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
3038K444 PRIMARY Wilo Usa Llc (USA)
Related Parts
6145-00-060-2476INTERCHANGEABLE
WIRE,ELECTRICAL
6640-00-275-0748INTERCHANGEABLE
BOX,SAMPLE,LABORATORY
5120-00-277-1260INTERCHANGEABLE
WRENCH,OPEN END
5330-00-425-0956INTERCHANGEABLE
PACKING,PREFORMED
13595-6691
5120-01-172-8079INTERCHANGEABLE
TIGHTENER,LOAD
6691
5310-01-350-0416INTERCHANGEABLE
NUT,PLAIN,CAP
5950-01-396-1104INTERCHANGEABLE
TRANSFORMER,POWER
654E4691-650
4320-01-440-7622INTERCHANGEABLE
PUMP,CENTRIFUGAL
3038K410
6520-01-561-5415INTERCHANGEABLE
CUTTER,WIRE,DENTAL
900-7599

Frequently Asked Questions

What is NSN 4320-01-440-7427?

NSN 4320-01-440-7427 is a Pump Unit,centrifugal, manufactured by Wilo Usa Llc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-440-7427?

NSN 4320-01-440-7427 has 2 cross-referenced part numbers: 6691 (Howell Laboratories Inc Dba Howell Laboratories Inc), 3038K444 (Wilo Usa Llc).

What NSN replaces 4320-01-440-7427?

There are 9 known substitutes for 4320-01-440-7427: 6145-00-060-2476, 6640-00-275-0748, 5120-00-277-1260 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3038K444?

Key specifications for 3038K444: Stage Quantity: 1; Intake Connection Type: THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL; Operating Speed at Rated Capacity: 3500.0 REVOLUTIONS PER MINUTE. 26 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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