5999-00-401-9979

Find complete technical information, availability, and procurement data for: 5999-00-401-9979
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-00-401-9979

Item Name Code

20281

Assigment Date

04/08/1970 (56 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.

6.500 inches nominal overall width, mesh and composition cross-sectional shape style, 0.313 inches nominal hole diameter, 8.250 inches nominal overall length, 0.115 inches minimum and 0.135 inches maximum minor 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: mesh and composition
Hole Diameter: 0.313 inches nominal
Overall Length: 8.250 inches nominal
Overall Width: 6.500 inches nominal
Minor Width: 0.115 inches minimum and 0.135 inches maximum
Inside Corner Radius: 1.115 inches minimum and 1.135 inches maximum
Outside Corner Radius: 1.125 inches nominal
Aperture Width: 5.000 inches nominal
Aperture Length: 6.750 inches nominal
Center To Center Distance Between Bolt Holes Along Width: 2.000 inches nominal
Center To Center Distance Between Bolt Holes Along Length: 2.250 inches nominal
Outside Edge To Bolt Hole Center Distance Along Width: 0.313 inches nominal
Outside Edge To Bolt Hole Center Distance Along Length: 0.313 inches nominal
Cross-Sectional Height: 0.115 inches minimum and 0.135 inches maximum
Minor Height: 0.115 inches minimum and 0.135 inches maximum
Bolt Hole Quantity: 8
Environmental Protection Material Location: around rf shielding gasket outer perimeter
Material: nickel alloy 400 emi/rfi conductor
Material: rubber silicone class q environmental seal
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
2181249	Electronic Shielding Gasket
41-92345	Electronic Shielding Gasket
43-92345	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-00-401-9979?

The FSCG of the NSN 5999-00-401-9979 is 5999

Does the NSN 5999-00-401-9979 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-00-401-9979 require demilitarization?

Usml items - mutilation to the point of scrap required worldwide. (note 7).

Does NSN 5999-00-401-9979 contain precious materials?

Precious metal content is unknown

Does NSN 5999-00-401-9979 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 5999-00-401-9979 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Apr 8, 1970