B2640

View detailed technical data, stock status, and sourcing information for: B2640
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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

4140-01-164-3674

Item Name Code

04254

Assigment Date

10/15/1983 (42 years ago)

An item with blades, vanes, or paddles equally spaced radially or horizontally around the periphery of a hub, rotor, or wheel. It is the rotating part of a centrifugal fan, electric motor, generator and the like which creates a flow of air or gas perpendicular to the axis of rotation.

anodize overall surface treatment, aluminum overall material

Product Characteristics

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

Material: aluminum overall
Surface Treatment: anodize overall

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
B2640	Centrifugal Fan

FAQs

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

What is the FSCG of the NSN 4140-01-164-3674?

The FSCG of the NSN 4140-01-164-3674 is 4140

Does the NSN 4140-01-164-3674 have a Schedule B code assigned?

Yes, the Schedule B code is 8414599080

Does NSN 4140-01-164-3674 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 4140-01-164-3674 contain precious materials?

Item does not contain precious metal.

Does NSN 4140-01-164-3674 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 4140-01-164-3674 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Oct 15, 1983