3040-2020-0578

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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-00-255-9956

Item Name Code

20281

Assigment Date

06/22/1973 (53 years ago)

A two electrode, solid state, optoelectronic device that emits visible or infrared radiant energy when electrically energized. May or may not include mounting hardware and/or heat sink. Excludes:lamp, cartridge; and light, indicator. For solid state devices which are responsive to infrared or radiant energy, see semiconductor device (1), photo.

14.375 inches nominal overall length, 0.125 inches nominal outside corner radius, emi cross-sectional shape style, 10.188 inches nominal overall width, 9.688 inches nominal aperture width

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
Overall Length: 14.375 inches nominal
Overall Width: 10.188 inches nominal
Outside Corner Radius: 0.125 inches nominal
Aperture Width: 9.688 inches nominal
Aperture Length: 13.875 inches nominal
Cross-Sectional Height: 0.156 inches nominal
Environmental Protection Material Location: around rf shielding gasket aperture
Material: nickel and copper emi/rfi conductor
Material: rubber synthetic environmental seal
Material Document And Classification: mil-r-6855,class 2,grade 40 mil spec single material response environmental seal
Material Document And Classification: qq-n-281,class a fed spec single material response emi/rfi conductor
Style Designator: non-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
196G3123	Electronic Shielding Gasket
3040-2020-0578	Electronic Shielding Gasket
41-92259	Electronic Shielding Gasket
44-92259	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-00-255-9956?

The FSCG of the NSN 5999-00-255-9956 is 5999

Does the NSN 5999-00-255-9956 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-00-255-9956 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 5999-00-255-9956 contain precious materials?

Precious metal content is unknown

Does NSN 5999-00-255-9956 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 5999-00-255-9956 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Jun 22, 1973