PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4143-4Pump Unit,centrifugal

Attwood Corp · NSN 4320-01-622-9787 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-622-9787 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-622-9787. Primary manufacturer part number: 4143-4.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Pumping Element Operating Position: HORIZONTAL
  • Discharge Connection Type: ROUND FLANGE
  • Pump Quantity: 1
  • Discharge Connection Quantity: 4
  • Maximum Discharge Flow Rate: 12.500 GALLONS PER MINUTE
  • 1 verified cross-reference
  • Primary manufacturer: Attwood Corp
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-622-9787, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Attwood Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-622-9787
Primary Part Number4143-4
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerAttwood Corp
StatusACTIVE
Pumping Element Operating PositionHORIZONTAL
Discharge Connection TypeROUND FLANGE
Pump Quantity1
Discharge Connection Quantity4
Maximum Discharge Flow Rate12.500 GALLONS PER MINUTE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-01-026-0900 INTERCHANGEABLE
Transformer,audio Frequency
6645-01-102-81274867466-7 INTERCHANGEABLE
Meter,time Totalizing
Kalmar AC Inc
5962-01-178-692641434 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
4320-01-199-624741434/41434N1 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Defense Maritime Solutions, Inc.
6680-01-201-132041434 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
3120-01-231-4391 INTERCHANGEABLE
Bushing,sleeve
5805-01-306-4409 INTERCHANGEABLE
Line Guard
7490-01-654-096941434 INTERCHANGEABLE
Shredding Machine,paper
Dahle Usa
Cross-Reference Index
Part NumberManufacturer
4143-4 PRIMARY Attwood Corp (USA)
Related Parts
5950-01-026-0900INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
6645-01-102-8127INTERCHANGEABLE
METER,TIME TOTALIZING
4867466-7
5962-01-178-6926INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41434
4320-01-199-6247INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
41434/41434N1
6680-01-201-1320INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
41434
3120-01-231-4391INTERCHANGEABLE
BUSHING,SLEEVE
5805-01-306-4409INTERCHANGEABLE
LINE GUARD
7490-01-654-0969INTERCHANGEABLE
SHREDDING MACHINE,PAPER
41434

Frequently Asked Questions

What is NSN 4320-01-622-9787?

NSN 4320-01-622-9787 is a Pump Unit,centrifugal, manufactured by Attwood Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-622-9787?

NSN 4320-01-622-9787 has 1 cross-referenced part number: 4143-4 (Attwood Corp).

What NSN replaces 4320-01-622-9787?

There are 8 known substitutes for 4320-01-622-9787: 5950-01-026-0900, 6645-01-102-8127, 5962-01-178-6926 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4143-4?

Key specifications for 4143-4: Special Features: 12-VOLT; 22 IN WIRE CONNECTOR; 3/4 INCH ID HOSE IN; Pumping Element Operating Position: HORIZONTAL; Discharge Connection Type: ROUND FLANGE; Pump Quantity: 1. 7 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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