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Vortex Cooling Tube

NSN: 4150-01-644-1418 | Model: 3498

An item with no moving parts that converts a supply of ordinary customer supplied compressed air into two airstreams at slightly above atmospheric pressure, one hot and one cold. the vortex tube can produce up to 6000 btuh of refrigeration or temperatures down to -40 degrees fahrenheit, using nothing more than compressed air at 100 psig. excludes refrigeration system, mechanical; refrigeration unit, mechanical; air conditioner; cooler, air evaporative; and cooler unit, air.

NSN Properties and Flags
NATO Stock Number
Intake Connection Type
Threaded male
Discharge Connection Type
Threaded female or threaded male
Overall Length
Between 11.0 inches and 23.1 inches
Cooling Capacity In Btu Per Hour
Air Consumption
100.0 cubic feet per minute
Stainless steel

Pricing and Availability

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NSN 4150-01-644-1418 Datasheet

Supply Class (FSC):
Vortex Tubes And Other Related Cooling Tubes
Cross Reference:
  • 3498
Cage Codes:
  • Exair Corporation (CAGE 0ECV7)
Schedule B & Trade:
  • Schedule B: 8540890080 (NAICS 334419)

    Thermionic, cold cathode or photocathode tubes, nesoi

  • SITC: 77627

    Electronic valves and tubes, n.E.S.

  • End Use: 21400

    Telecommunications equipment


N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


A - Item does not contain precious metal.


- Represents items with no adp components


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $4,473.87 to $7,456.46..
Does NSN 4150-01-644-1418 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy
What is the NIIN of NSN 4150-01-644-1418?
016441418 or 01-644-1418
Does NSN 4150-01-644-1418 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4150-01-644-1418?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Apr 22, 2015