4C445

View detailed technical data, stock status, and sourcing information for: 4C445
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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

4140-00-931-1135

Item Name Code

04254

Assigment Date

09/12/1966 (59 years ago)

A nonpositive displacement mechanical device with guide vanes and having an axial fan impeller(s) inclosed within a tubular housing. It is designed primarily for duct installation to move air or gas axially over a wide range of volumes and pressures.

wire lead electrical connection type, 1570.0 operating speed at rated capacity in rpm, 9.938 inches nominal width, 10.312 inches nominal length, single speed speed adjustments

Product Characteristics

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

Speed Adjustments: single speed
Width: 9.938 inches nominal
Length: 10.312 inches nominal
Operating Speed At Rated Capacity In Rpm: 1570.0
Electrical Connection Type: wire lead
Outlet Inside Width: 5.188 inches nominal
Outlet Inside Height: 4.250 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: 4 unthreaded hole
Rotation Direction For Which Designed: counterclockwise
Air Flow Rate: 350.0 cubic feet per minute nominal
Outlet Location: bottom
Voltage In Volts And Current Type: 115.0 ac
Prime Mover Power Rating: 0.100 horsepower
Discharge Direction: horizontal
Phase: single
Height: 11.125 inches nominal
Material: steel overall
Surface Treatment: enamel housing
Style Designator: fixed, rectangular outlets

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4140-00-177-8831	No Name Available	09/01/1983

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
2C906	Centrifugal Fan
4C445	Centrifugal Fan

FAQs

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

What is the FSCG of the NSN 4140-00-931-1135?

The FSCG of the NSN 4140-00-931-1135 is 4140

Does the NSN 4140-00-931-1135 have a Schedule B code assigned?

Yes, the Schedule B code is 8414599080

Does NSN 4140-00-931-1135 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 4140-00-931-1135 contain precious materials?

Precious metal content is unknown

Does NSN 4140-00-931-1135 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 4140-00-931-1135 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Mon, Sep 12, 1966