4C657

View detailed technical data, stock status, and sourcing information for: 4C657
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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

4140-01-368-9091

Item Name Code

36295

Assigment Date

12/11/1992 (33 years ago)

fits fan size 4.688 inches special features, steel body material, hole mounting method, 0.580 inches nominal overall width, 4.440 inches nominal overall diameter

Product Characteristics

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

Overall Width: 0.580 inches nominal
Overall Diameter: 4.440 inches nominal
Mounting Method: hole
Body Material: steel
Special Features: fits fan size 4.688 inches
Surface Treatment: chromate
Shape: round

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
4C657	Fan Impeller Guard

FAQs

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

What is the FSCG of the NSN 4140-01-368-9091?

The FSCG of the NSN 4140-01-368-9091 is 4140

Does the NSN 4140-01-368-9091 have a Schedule B code assigned?

Yes, the Schedule B code is 8414901040

Does NSN 4140-01-368-9091 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 4140-01-368-9091 contain precious materials?

Item does not contain precious metal.

Does NSN 4140-01-368-9091 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 4140-01-368-9091 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Fri, Dec 11, 1992