5999-01-321-4939

Find complete technical information, availability, and procurement data for: 5999-01-321-4939
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-321-4939

Item Name Code

20281

Assigment Date

06/19/1990 (36 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.

5.000 inches nominal overall length, emi cross-sectional shape style, 0.436 inches minimum and 0.443 inches maximum hole diameter, 3.000 inches nominal aperture diameter, 5.000 inches nominal overall 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
Hole Diameter: 0.436 inches minimum and 0.443 inches maximum
Overall Length: 5.000 inches nominal
Overall Width: 5.000 inches nominal
Aperture Diameter: 3.000 inches nominal
Center To Center Distance Between Bolt Holes Along Width: 3.540 inches nominal
Center To Center Distance Between Bolt Holes Along Length: 3.540 inches nominal
Outside Edge To Bolt Hole Center Distance Along Width: 0.730 inches nominal
Outside Edge To Bolt Hole Center Distance Along Length: 0.730 inches nominal
Cross-Sectional Height: 0.125 inches nominal
Bolt Hole Quantity: 4
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
5599756-1	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-01-321-4939?

The FSCG of the NSN 5999-01-321-4939 is 5999

Does the NSN 5999-01-321-4939 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-321-4939 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 5999-01-321-4939 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-01-321-4939 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 5999-01-321-4939 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Tue, Jun 19, 1990