Centrifugal Fan

8939783-3

8939783-3
(NSN) National Stock Number
4140-00-051-3296
Federal Supply Classification
4140 Fans, Air Circulators and Blower Equipment
Item Name Code
04254
Schedule B Code
8414599080
Summary

1 stage quantity, 8.000 inches nominal width, 12.875 inches nominal length, splash proof environmental protection, -65.0 deg fahrenheit and 165.0 deg fahrenheit ambient temp at full rated power, 8000.0 operating speed at rated capacity in rpm

DAC HCC DMIL RNCC
X - - 3
RNVC SADC MSDS RNAAC
2 - - XX
Identification

A nonpositive displacement mechanical device having a centrifugal fan impeller inclosed 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.

INC FIIG Concept Condition
04254 A087A0 - 2
Specifications
Stage Quantity
1
Details The number of stages incorporated in the item.
Width
8.000 inches nominal
Details A measurement taken at right angles to the length of an item,in distinction from thickness.
Length
12.875 inches nominal
Details A measurement of the longest dimension of any object,in distinction from width.
Environmental Protection
splash proof
Details The environmental elements or conditions that an item is designed or protected to resist or withstand satisfactorily.
Ambient Temp At Full Rated Power
-65.0 deg fahrenheit and 165.0 deg fahrenheit
Details The temperature of the medium surrounding an item at which it can be operated continuously at full rated power.
Operating Speed At Rated Capacity In Rpm
8000.0
Details The speed of the drive shaft required to produce the rated capacity of an item,expressed in revolutions per minute.
Outlet Inside Width
0.500 inches nominal
Details None.
Outlet Inside Height
5.125 inches nominal
Details None.
Static Pressure At Specified Air Flow Rate
0.3 inches of water
Details The static pressure measured at the air flow rate specified.
Drive Type
direct
Details Indicates the type of drive for turning,rotating,or positioning the mechanism.
Prime Mover Type
electric motor
Details Indicates the type of prime mover included with the unit.
Inclosure Type
fully inclosed
Details Indicates the type of inclosure provided to coat,cover,protect,or encase the item.
Mounting Facility Type And Quantity
1 flange
Details Indicates the type and number of facilities by which the item is mounted.
Rotation Direction For Which Designed
counterclockwise
Details The direction of rotation for which the item is designed.
Features Provided
nonsparking and radio interference shielding
Details Those features,not otherwise specified,which may be required for proper functioning of the item.
Air Flow Rate
50.000 cubic feet per minute nominal and 100.000 cubic feet per minute nominal and 200.000 cubic feet per minute nominal and 300.000 cubic feet per minute nominal
Details The rated capacity of air flow moved through the item.
Outlet Location
bottom
Details Indicates the location of the outlet on the item.
Voltage In Volts And Current Type
208.0 ac
Details The total electrical voltage,expressed in volts,and the type of current whether alternating or direct.
Prime Mover Drive Shaft Bearing Type
ball
Details Indicates the type of bearing/s/ provided on the prime mover drive shaft.
Discharge Direction
horizontal
Details The direction in which the item discharges during operation.
Phase
three
Details The number of alternating current phases.
Frequency In Hertz
400.0
Details The cycles per second /hertz/ of the alternating current.
Height
9.250 inches nominal
Details A measurement from the bottom to the top of an object,in distinction from depth.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Quantity
1
Details A numeric value which represents a positive whole value without regard to any unit of measure.
Surface Treatment
anodize housing inside
Details The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Surface Treatment
enamel housing outside
Details The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Style Designator
fixed, rectangular outlets
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
8939783-3 49671 5 - 5 9 - CX
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
00000 - W -
RVC WCC TCC SHC
- 72E Z 9

What's Included?

  • Certificate of Conformity
  • QC Inspection prior to shipping
  • On time delivery
  • Friendly service to back every order
Manufacturer
LOCKHEED MARTIN CORPORATION DIV RMS
CAGE: 02769
MOORESTOWN , NJ , 08057-3054
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 4140-00-051-3296
What is the NIIN of the NSN 4140-00-051-3296?
The National Item Identification Number (NIIN) of the NSN 4140-00-051-3296 is 00-051-3296
When the NSN 4140-00-051-3296 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Sun, Jan 1, 1961
Does the NSN 4140-00-051-3296 contain any precious metals?
Type/content is unknown
Does the NSN 4140-00-051-3296 contain any hazardous material?
No data in HMIRS

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