PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21711Impeller,pump,centrifugal

Industrial Technologies and Services Llc · NSN 4320-01-328-5646 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-328-5646 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-328-5646. Primary manufacturer part number: 21711.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Overall Diameter: 5.500 INCHES NOMINAL IN
  • Blade Type: STRAIGHT
  • Material: COPPER ALLOY
  • Rotation Direction for Which Designed: CLOCKWISE OR COUNTERCLOCKWISE
  • 1 verified cross-reference
  • Primary manufacturer: Industrial Technologies and Services Llc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-328-5646, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Industrial Technologies and Services Llc. Government technical data includes 4 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
NSN4320-01-328-5646
Primary Part Number21711
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerIndustrial Technologies and Services Llc
StatusACTIVE
Overall Diameter5.500 INCHES NOMINAL IN
Blade TypeSTRAIGHT
MaterialCOPPER ALLOY
Rotation Direction for Which DesignedCLOCKWISE OR COUNTERCLOCKWISE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5315-00-132-60427601769 INTERCHANGEABLE
Key,machine
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6145-00-191-8403 INTERCHANGEABLE
Braid,wire
5310-00-516-033711A8212 INTERCHANGEABLE
Washer,slotted
Napco International Llc Dba Napco International Inc
5950-00-519-6833217-11 INTERCHANGEABLE
Coil,radio Frequency
Wilco Corp
5365-00-932-84192171-1 INTERCHANGEABLE
Shim
Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
5930-01-030-415521711 INTERCHANGEABLE
Switch,thermostatic
Sensata Technologies, Inc. Div Sensata Attleboro
5998-01-074-2505 INTERCHANGEABLE
Circuit Card Assembly
4130-01-327-211221711 INTERCHANGEABLE
Heat Interchanger,refrigerant
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
21711 PRIMARY Industrial Technologies and Services Llc (USA)
Related Parts
5315-00-132-6042INTERCHANGEABLE
KEY,MACHINE
7601769
6145-00-191-8403INTERCHANGEABLE
BRAID,WIRE
5310-00-516-0337INTERCHANGEABLE
WASHER,SLOTTED
11A8212
5950-00-519-6833INTERCHANGEABLE
COIL,RADIO FREQUENCY
217-11
5365-00-932-8419INTERCHANGEABLE
SHIM
2171-1
5930-01-030-4155INTERCHANGEABLE
SWITCH,THERMOSTATIC
21711
5998-01-074-2505INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4130-01-327-2112INTERCHANGEABLE
HEAT INTERCHANGER,REFRIGERANT
21711

Frequently Asked Questions

What is NSN 4320-01-328-5646?

NSN 4320-01-328-5646 is a Impeller,pump,centrifugal, manufactured by Industrial Technologies and Services Llc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-328-5646?

NSN 4320-01-328-5646 has 1 cross-referenced part number: 21711 (Industrial Technologies and Services Llc).

What NSN replaces 4320-01-328-5646?

There are 8 known substitutes for 4320-01-328-5646: 5315-00-132-6042, 6145-00-191-8403, 5310-00-516-0337 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21711?

Key specifications for 21711: Overall Diameter: 5.500 INCHES NOMINAL IN; Blade Type: STRAIGHT; Material: COPPER ALLOY; Rotation Direction for Which Designed: CLOCKWISE OR COUNTERCLOCKWISE. 4 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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