PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21669Clutch

Industrial Technologies and Services Llc · NSN 4320-00-936-3985 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-936-3985 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-936-3985. Primary manufacturer part number: 21669.
Features
  • Clutch — FSC 4320
  • 3 verified cross-references
  • Primary manufacturer: Industrial Technologies and Services Llc
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Clutch, cataloged under National Stock Number 4320-00-936-3985, 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 3 commercial cross-references 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: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-936-3985
Primary Part Number21669
Item NameClutch
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerIndustrial Technologies and Services Llc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1680-00-010-957021668-1 INTERCHANGEABLE
Control Assembly,push-Pull
Triumph Controls, Llc Dba Triumph Controls, Llc
1680-00-010-957121669 INTERCHANGEABLE
Tube and Bulkhead F
Triumph Controls, Llc Dba Triumph Controls, Llc
2920-00-133-083922943 INTERCHANGEABLE
Rotor,generator
Tld Wollard Llc
2910-00-136-87313007036 INTERCHANGEABLE
Tank,fuel,engine
Tankcraft Corp
4720-00-447-353821661 INTERCHANGEABLE
Hose Assembly,nonmetallic
Dressta North America Ltd
4720-00-447-358318523 INTERCHANGEABLE
Hose Assembly,nonmetallic
Dressta North America Ltd
4820-00-651-55782-1668 INTERCHANGEABLE
Cock,drain
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
5330-00-922-59641E8012-0402 INTERCHANGEABLE
Gasket
Fisher Controls Co Inc
5930-00-940-9132PM21668 INTERCHANGEABLE
Switch,push
Mason Electric Co. Dba Mason Controls
5999-01-026-5319 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Cross-Reference Index
Part NumberManufacturer
21668 Industrial Technologies and Services Llc (USA)
22943 Industrial Technologies and Services Llc (USA)
21669 PRIMARY Industrial Technologies and Services Llc (USA)
Related Parts
1680-00-010-9570INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
21668-1
1680-00-010-9571INTERCHANGEABLE
TUBE AND BULKHEAD F
21669
2920-00-133-0839INTERCHANGEABLE
ROTOR,GENERATOR
22943
2910-00-136-8731INTERCHANGEABLE
TANK,FUEL,ENGINE
3007036
4720-00-447-3538INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
21661
4720-00-447-3583INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
18523
4820-00-651-5578INTERCHANGEABLE
COCK,DRAIN
2-1668
5330-00-922-5964INTERCHANGEABLE
GASKET
1E8012-0402
5930-00-940-9132INTERCHANGEABLE
SWITCH,PUSH
PM21668
5999-01-026-5319INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5950-01-069-7121INTERCHANGEABLE
COIL,RADIO FREQUENCY
5925-01-210-4981INTERCHANGEABLE
CIRCUIT BREAKER
QOB120VH

Frequently Asked Questions

What is NSN 4320-00-936-3985?

NSN 4320-00-936-3985 is a Clutch, manufactured by Industrial Technologies and Services Llc, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-936-3985?

NSN 4320-00-936-3985 has 3 cross-referenced part numbers: 21668 (Industrial Technologies and Services Llc), 22943 (Industrial Technologies and Services Llc), 21669 (Industrial Technologies and Services Llc).

What NSN replaces 4320-00-936-3985?

There are 12 known substitutes for 4320-00-936-3985: 1680-00-010-9570, 1680-00-010-9571, 2920-00-133-0839 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21669?

Key specifications for 21669: End Item Identification: ENGINE POWERED LANDING CRAFT,DETROIT DIESEL NAVY DESIGN LCM 8,MODIFICATION 1. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-936-3985 still in active supply?

NSN 4320-00-936-3985 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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