SM-B-524086-3

View detailed technical data, stock status, and sourcing information for: SM-B-524086-3
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-00-478-4442

Item Name Code

20281

Assigment Date

06/25/1971 (55 years ago)

A shaped metallic item designed to increase the effectiveness of radio frequency/electromagnetic interference, or a nonmetallic item containing a wire mesh, metal, or other electrically conductive particles designed to provide environmental sealing and radio frequency/electromagnetic interference shielding. For bulk items see wire mesh, knitted or gasketing material, conductive.

emi cross-sectional shape style, 0.020 inches nominal cross-sectional height, 1.000 inches nominal aperture diameter, 1.375 inches nominal outside diameter, -40.0 fahrenheit and 225.0 fahrenheit temp rating

Product Characteristics

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

Cross-Sectional Shape Style: emi
Temp Rating: -40.0 fahrenheit and 225.0 fahrenheit
Outside Diameter: 1.375 inches nominal
Aperture Diameter: 1.000 inches nominal
Cross-Sectional Height: 0.020 inches nominal
Environmental Protection Material Location: throughout rf shielding gasket
Material: aluminum alloy 5056 emi/rfi conductor
Material: rubber chloroprene class cr environmental seal
Material Document And Classification: ams 4182,alloy 5056 assn std single material response emi/rfi conductor
Material Document And Classification: ams 3222 assn std single material response environmental seal
Style Designator: circular

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
04-0402-4410	Electronic Shielding Gasket
5520-3020-0125	Electronic Shielding Gasket
SM-B-524086-3	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-00-478-4442?

The FSCG of the NSN 5999-00-478-4442 is 5999

Does the NSN 5999-00-478-4442 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-00-478-4442 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 5999-00-478-4442 contain precious materials?

Precious metal content is unknown

Does NSN 5999-00-478-4442 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5999-00-478-4442 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Jun 25, 1971