Centrifugal Fan

021571

(NSN) National Stock Number

4140-00-137-2493

Federal Supply Classification

4140 Fans, Air Circulators and Blower Equipment

Item Name Code

04254

Schedule B Code

8414599080

Summary

2 stage quantity, single speed speed adjustments, 5.875 inches nominal width, 9.938 inches nominal length, 3110.0 operating speed at rated capacity in rpm, wire lead electrical connection type

DAC	HCC	DMIL	RNCC
6	-	-	3

RNVC	SADC	MSDS	RNAAC
2	-	-	CX

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

Details

The number of stages incorporated in the item.

Speed Adjustments

single speed

Details

The different speeds at which the item may be operated.

Width

5.875 inches nominal

Details

A measurement taken at right angles to the length of an item,in distinction from thickness.

Length

9.938 inches nominal

Details

A measurement of the longest dimension of any object,in distinction from width.

Operating Speed At Rated Capacity In Rpm

3110.0

Details

The speed of the drive shaft required to produce the rated capacity of an item,expressed in revolutions per minute.

Electrical Connection Type

wire lead

Details

Indicates the type of electrical connection included on the item.

Static Pressure At Specified Air Flow Rate

0.0 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

12 threaded hole

Details

Indicates the type and number of facilities by which the item is mounted.

Rotation Direction For Which Designed

clockwise

Details

The direction of rotation for which the item is designed.

Air Flow Rate

56.0 cubic feet per minute nominal

Details

The rated capacity of air flow moved through the item.

Voltage In Volts And Current Type

115.0 ac

Details

The total electrical voltage,expressed in volts,and the type of current whether alternating or direct.

Prime Mover Power Rating

0.455 horsepower

Details

The rated power of the prime mover.

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

single

Details

The number of alternating current phases.

Frequency In Hertz

50.0 and 60.0

Details

The cycles per second /hertz/ of the alternating current.

Material

aluminum alloy blade

Details

The chemical compound or mechanical mixture properties of which the item is fabricated.

Material

steel housing

Details

The chemical compound or mechanical mixture properties of which the item is fabricated.

Surface Treatment

enamel overall

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, multistage

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
439351	54418	A	-	5	9	-	CX
439351	48294	6	-	C	1	-	ZZ
021571	20418	5	-	5	9	-	ZZ
ES7288-01	20418	A	-	5	9	-	CX
A0-81245	59841	5	-	5	9	-	CX
SL2EA2F	59841	6	-	5	9	-	CX
020325	82877	5	-	5	9	-	CX
A0-81245	82877	5	-	5	9	-	CX
A0-81405	82877	5	-	5	9	-	CX
SL2EA2	82877	E	-	5	9	-	CX
SL2EA2F	82877	6	-	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

EG AND G ROTRON REGENERATIVE BLOWER OPNS

CAGE: 59841

SAUGERTIES , NY , 12477-1000

UNITED STATES

View Products

FAQs

Frequently asked questions for NSN 4140-00-137-2493

What is the NIIN of the NSN 4140-00-137-2493?

The National Item Identification Number (NIIN) of the NSN 4140-00-137-2493 is 00-137-2493

When the NSN 4140-00-137-2493 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Jul 28, 1971

Does the NSN 4140-00-137-2493 contain any precious metals?

Type/content is unknown

Does the NSN 4140-00-137-2493 contain any hazardous material?

No data in HMIRS

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