B25A25D1

View detailed technical data, stock status, and sourcing information for: B25A25D1

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B25A25D1
Federal Supply Group
Refrigeration, Air Conditioning, and Air Circulating Equipment
National Stock Number
4140-00-830-8889
Item Name Code
04254
Assigment Date
01/01/1962 (64 years ago)

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.

7.700 inches nominal width, 3400.0 operating speed at rated capacity in rpm, 3.500 inches nominal length, 1 stage quantity, -54.0 celsius and 75.0 celsius ambient temp at full rated power

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Stage Quantity
1
Width
7.700 inches nominal
Length
3.500 inches nominal
Ambient Temp At Full Rated Power
-54.0 celsius and 75.0 celsius
Operating Speed At Rated Capacity In Rpm
3400.0
Electrical Connection Type
wire lead
Outlet Inside Width
1.530 inches nominal
Outlet Inside Height
1.530 inches nominal
Static Pressure At Specified Air Flow Rate
0.0 inches of water
Drive Type
direct
Prime Mover Type
electric motor
Inclosure Type
fully inclosed
Mounting Facility Type And Quantity
2 flange
Rotation Direction For Which Designed
clockwise and counterclockwise
Features Provided
nonsparking
Air Flow Rate
52.000 cubic feet per minute nominal
Outlet Location
top
Voltage In Volts And Current Type
115.0 ac
Prime Mover Power Rating
0.044 horsepower
Prime Mover Drive Shaft Bearing Type
ball
Discharge Direction
horizontal
Phase
single
Special Features
flanged discharge outlets
Frequency In Hertz
60.0
Height
3.750 inches nominal
Material
aluminum housing
Material
steel blade
Quantity
2
Surface Treatment
enamel semigloss overall
Style Designator
fixed, dual impeller, rectangular outlet

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4140-00-864-7745 No Name Available 01/01/1962

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
6313-C6413 Centrifugal Fan
717402-021 Centrifugal Fan
717402-21 Centrifugal Fan
A1421-201 Centrifugal Fan
B25A25D1 Centrifugal Fan

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4140-00-830-8889?
The FSCG of the NSN 4140-00-830-8889 is 4140
Does the NSN 4140-00-830-8889 have a Schedule B code assigned?
Yes, the Schedule B code is 8414599080
Does NSN 4140-00-830-8889 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4140-00-830-8889 contain precious materials?
Precious metal content is unknown
Does NSN 4140-00-830-8889 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4140-00-830-8889 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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