B-54

View detailed technical data, stock status, and sourcing information for: B-54
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Federal Supply Group

Refrigeration, Air Conditioning, and Air Circulating Equipment

Federal Supply Classification

4140 Blower Equipment, Air Circulators and Fans

National Stock Number

4140-01-333-7281

Item Name Code

04254

Assigment Date

02/08/1991 (35 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.

ball prime mover drive shaft bearing type, electric motor prime mover type, 300.0 cubic feet per minute nominal air flow rate

Product Characteristics

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

Prime Mover Type: electric motor
Air Flow Rate: 300.0 cubic feet per minute nominal
Prime Mover Drive Shaft Bearing Type: ball

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
B-54	Centrifugal Fan

FAQs

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

What is the FSCG of the NSN 4140-01-333-7281?

The FSCG of the NSN 4140-01-333-7281 is 4140

Does the NSN 4140-01-333-7281 have a Schedule B code assigned?

Yes, the Schedule B code is 8414599080

Does NSN 4140-01-333-7281 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4140-01-333-7281 contain precious materials?

Item does not contain precious metal.

Does NSN 4140-01-333-7281 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 4140-01-333-7281 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Feb 8, 1991