5999-01-327-8278

Find complete technical information, availability, and procurement data for: 5999-01-327-8278
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-327-8278

Item Name Code

20281

Assigment Date

10/21/1990 (35 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.

2.000 inches minimum and 2.020 inches maximum aperture diameter, 0.209 inches minimum and 0.229 inches maximum hole diameter, emi cross-sectional shape style, 2.235 inches minimum and 2.265 inches maximum overall length, 2.235 inches minimum and 2.265 inches maximum 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: 0.209 inches minimum and 0.229 inches maximum
Overall Length: 2.235 inches minimum and 2.265 inches maximum
Overall Width: 2.235 inches minimum and 2.265 inches maximum
Aperture Diameter: 2.000 inches minimum and 2.020 inches maximum
Center To Center Distance Between Bolt Holes Along Width: 1.740 inches minimum and 1.760 inches maximum
Center To Center Distance Between Bolt Holes Along Length: 1.740 inches minimum and 1.760 inches maximum
Outside Edge To Bolt Hole Center Distance Along Width: 0.250 inches nominal
Outside Edge To Bolt Hole Center Distance Along Length: 0.250 inches nominal
Cross-Sectional Height: 0.027 inches minimum and 0.037 inches maximum
Bolt Hole Quantity: 4
End Item Identification: multiple launch rocket system (mlrs)
Environmental Protection Material Location: throughout rf shielding gasket
Material: copper emi/rfi conductor
Material: rubber silicone class q environmental seal
Precious Material And Location: emi/rfi conductive particle surfaces silver
Precious Material: silver
Surface Treatment: silver environmental seal
Style Designator: non-circular
Test Data Document: "81349-mil-g-83528 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Specification/Standard Data: 81349-mil-g-83528/4 government specification

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5999-01-456-8522	No Name Available	02/01/1999

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
521887-7	Electronic Shielding Gasket
85099-K30	Electronic Shielding Gasket
M83528/004K030	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-01-327-8278?

The FSCG of the NSN 5999-01-327-8278 is 5999

Does the NSN 5999-01-327-8278 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-327-8278 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 5999-01-327-8278 contain precious materials?

Item contains silver.

Does NSN 5999-01-327-8278 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 5999-01-327-8278 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, Oct 21, 1990