4C557

View detailed technical data, stock status, and sourcing information for: 4C557
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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

4140-00-496-8617

Item Name Code

77777

Assigment Date

09/29/1969 (56 years ago)

aluminum vanes,enamel finish; rust resistant; single panel; felted for quiet,weathertight closure; attached rod on fan side; 16 in. fan dia; 19.125 in. o/a sq dim.; 4.125 in. baked on steel shroud; 1.625 in. flange w/o.125 in. mtg holes general characteristics item description

Product Characteristics

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

General Characteristics Item Description: aluminum vanes,enamel finish; rust resistant; single panel; felted for quiet,weathertight closure; attached rod on fan side; 16 in. fan dia; 19.125 in. o/a sq dim.; 4.125 in. baked on steel shroud; 1.625 in. flange w/o.125 in. mtg holes

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
4C112	Fan Shutter
4C557	Fan Shutter

FAQs

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

What is the FSCG of the NSN 4140-00-496-8617?

The FSCG of the NSN 4140-00-496-8617 is 4140

Does NSN 4140-00-496-8617 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 4140-00-496-8617 contain precious materials?

Precious metal content is unknown

Does NSN 4140-00-496-8617 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 4140-00-496-8617 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Sep 29, 1969