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Centrifugal Fan

NSN: 4140-00-004-0540 | Model: A0-74588

A nonpositive displacement mechanical device having a centrifugal fan impeller enclosed within a housing. It is designed to move air or gas over a wide range of volumes and pressures. The air or gas is drawn in axially and discharged radially or drawn in radially and discharged axially by centrifugal force through an outlet in the housing.

NSN Properties and Flags
NATO Stock Number
4140-00-004-0540
DEMIL
NO
Speed Adjustments
Single speed
Width
Between 6.390 inches and 6.810 inches
Diameter
Between 5.485 inches and 5.515 inches
Length
Between 6.560 inches and 6.680 inches
Ambient Tempurature At Full Rated Power
-10.0 degrees celsius and 50.0 degrees celsius
Operating Speed At Rated Capacity In Rpm
3100.0
End Application
Automated radar terminal system 3a (arts-3a)
Electrical Connection Type
Wire lead
Outlet Inside Width
Between 1.120 inches and 1.560 inches
Outlet Inside Height
4.125 inches
Static Pressure At Specificationified Air Flow Rate
0.0 inches of water
Drive Type
Direct
Prime Mover Type
Electric motor
Inclosure Type
Partially enclosed
Rotation Direction For Which Designed
Counterclockwise
Features Provided
Nonsparking
Air Flow Rate
210.0 cubic feet per minute
Outlet Location
Top
Voltage In Volts And Current Type
115.0 ac
Prime Mover Drive Shaft Bearing Type
Ball
Discharge Direction
Vertical up
Phase
Single
Special Features
Reference data: a1a1b1, px12093, ti6190.1, technical manual, arts111a, data processing, aug 1978, pg6-20
Height
Between 5.820 inches and 5.880 inches
Material
Aluminum housing
Quantity
1
Surface Treatment
Anodize housing outside
Style Designator
Fixed, rectangular outlets

Pricing and Availability

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NSN 4140-00-004-0540 Datasheet

Supply Class (FSC):
Blower Equipment Air Circulators Fans
Cross Reference:
  • A0-74588
  • 7903447-00
Cage Codes:
  • Rotron Incorporated (CAGE 82877)
  • Lockheed Martin Corporation (CAGE 90536)
Schedule B & Trade:
  • Schedule B: 8414599080 (NAICS 333413)

    Fans, nesoi

  • SITC: 74343

    Fans, n.E.S.

  • End Use: 41030

    Household appliances

Identification:
HMIC

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

PMIC

U - Precious metal content is unknown

CRITL

- 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
    G69
  • AAC
    G
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    -------
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $4,994.07 to $8,323.45..
Does NSN 4140-00-004-0540 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Federal Aviation Administration
What is the NIIN of NSN 4140-00-004-0540?
000040540 or 00-004-0540
Does NSN 4140-00-004-0540 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4140-00-004-0540?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
May 27, 1972