B3733

View detailed technical data, stock status, and sourcing information for: B3733
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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

4140-01-278-1310

Item Name Code

04254

Assigment Date

05/01/1988 (38 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.

18.750 inches nominal length, counterclockwise rotation direction for which designed, 22.500 inches nominal height, direct drive type, 2.500 inches nominal outlet inside diameter

Product Characteristics

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

Length: 18.750 inches nominal
Outlet Inside Diameter: 2.500 inches nominal
Drive Type: direct
Rotation Direction For Which Designed: counterclockwise
Height: 22.500 inches nominal
Material: aluminum overall
Style Designator: fixed, rectangular outlets

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
9W-55107	Centrifugal Fan
9W-55107 CD 1621	Centrifugal Fan
9W-55107 CD 3733	Centrifugal Fan
9W-55107-CD-373 3	Centrifugal Fan
9W55107	Centrifugal Fan
B3733	Centrifugal Fan

FAQs

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

What is the FSCG of the NSN 4140-01-278-1310?

The FSCG of the NSN 4140-01-278-1310 is 4140

Does the NSN 4140-01-278-1310 have a Schedule B code assigned?

Yes, the Schedule B code is 8414599080

Does NSN 4140-01-278-1310 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 4140-01-278-1310 contain precious materials?

Item does not contain precious metal.

Does NSN 4140-01-278-1310 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 4140-01-278-1310 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sun, May 1, 1988