PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21609Pump Clutch Assembl

Industrial Technologies and Services Llc · NSN 4320-01-230-0619 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-230-0619 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-230-0619. Primary manufacturer part number: 21609.
Features
  • Pump Clutch Assembl — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Industrial Technologies and Services Llc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Clutch Assembl, cataloged under National Stock Number 4320-01-230-0619, 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. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4320-01-230-0619
Primary Part Number21609
Item NamePump Clutch Assembl
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerIndustrial Technologies and Services Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5977-00-038-1477 INTERCHANGEABLE
Brush,electrical Contact
3040-00-149-251599121609 INTERCHANGEABLE
Shaft,shouldered
Alfa Laval Inc
5315-00-422-0604 INTERCHANGEABLE
Pin,grooved,headless
5950-00-510-177225701 INTERCHANGEABLE
Reactor
Freed Transformer Co
5950-00-581-217621-609 INTERCHANGEABLE
Coil,radio Frequency
Neurotech Corp Control Electronics Div
5935-00-626-8620970653-1 INTERCHANGEABLE
Retainer,electrical Connector
Raytheon Company Dba Raytheon
6625-00-828-96212160-9 INTERCHANGEABLE
Test Set,power Supply
Rockwell Collins, Inc. Dba Rc Displays Systems
2990-01-094-952721609 INTERCHANGEABLE
Muffler,exhaust
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5920-01-149-30639G0747 INTERCHANGEABLE
Fuseholder,block
Caterpillar Inc Div Caterpillar Defense
4720-01-298-553421609 INTERCHANGEABLE
Hose,preformed
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
21609 PRIMARY Industrial Technologies and Services Llc (USA)
Related Parts
5977-00-038-1477INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
3040-00-149-2515INTERCHANGEABLE
SHAFT,SHOULDERED
99121609
5315-00-422-0604INTERCHANGEABLE
PIN,GROOVED,HEADLESS
5950-00-510-1772INTERCHANGEABLE
REACTOR
25701
5950-00-581-2176INTERCHANGEABLE
COIL,RADIO FREQUENCY
21-609
5935-00-626-8620INTERCHANGEABLE
RETAINER,ELECTRICAL CONNECTOR
970653-1
6625-00-828-9621INTERCHANGEABLE
TEST SET,POWER SUPPLY
2160-9
2990-01-094-9527INTERCHANGEABLE
MUFFLER,EXHAUST
21609
5920-01-149-3063INTERCHANGEABLE
FUSEHOLDER,BLOCK
9G0747
4720-01-298-5534INTERCHANGEABLE
HOSE,PREFORMED
21609
4320-01-365-7934INTERCHANGEABLE
GEAR ROTOR SET,ROTARY PUMP
24-45600-2083-2
2915-01-505-2490INTERCHANGEABLE
METERING SET
21609

Frequently Asked Questions

What is NSN 4320-01-230-0619?

NSN 4320-01-230-0619 is a Pump Clutch Assembl, manufactured by Industrial Technologies and Services Llc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-230-0619?

NSN 4320-01-230-0619 has 1 cross-referenced part number: 21609 (Industrial Technologies and Services Llc).

What NSN replaces 4320-01-230-0619?

There are 12 known substitutes for 4320-01-230-0619: 5977-00-038-1477, 3040-00-149-2515, 5315-00-422-0604 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21609?

Key specifications for 21609: End Item Identification: 1905-00-935-6057. 1 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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