990101-8

View detailed technical data, stock status, and sourcing information for: 990101-8
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-00-421-6050

Item Name Code

20281

Assigment Date

12/09/1970 (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.

1.375 inches nominal aperture diameter, 1.563 inches nominal overall width, emi cross-sectional shape style, 1.563 inches nominal overall length, 0.130 inches nominal hole diameter

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: 0.130 inches nominal
Overall Length: 1.563 inches nominal
Overall Width: 1.563 inches nominal
Aperture Diameter: 1.375 inches nominal
Outside Corner Radius: 0.260 inches nominal
Center To Center Distance Between Bolt Holes Along Width: 1.250 inches nominal
Center To Center Distance Between Bolt Holes Along Length: 1.250 inches nominal
Outside Edge To Bolt Hole Center Distance Along Width: 0.157 inches nominal
Outside Edge To Bolt Hole Center Distance Along Length: 0.157 inches nominal
Cross-Sectional Height: 0.050 inches minimum and 0.065 inches maximum
Bolt Hole Quantity: 4
Environmental Protection Material Location: throughout rf shielding gasket
Material: nickel alloy r-405 emi/rfi conductor
Material: rubber silicone class q environmental seal
Material Document And Classification: mil-r-5847 mil spec 1st material response and zz-r-765 fed spec 2nd material response environmental seal
Material Document And Classification: qq-n-281b fed spec single material response emi/rfi conductor
Style Designator: non-circular

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5999-00-938-8983	No Name Available	06/01/1987

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
07-05-01-0068	Electronic Shielding Gasket
07-0501-0068	Electronic Shielding Gasket
10139391	Electronic Shielding Gasket
110785-014	Electronic Shielding Gasket
1214-0535	Electronic Shielding Gasket
222018-009	Electronic Shielding Gasket
352-10626	Electronic Shielding Gasket
45-61466	Electronic Shielding Gasket
5M988-35	Electronic Shielding Gasket
73-068	Electronic Shielding Gasket
82-12439	Electronic Shielding Gasket
990101-8	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-00-421-6050?

The FSCG of the NSN 5999-00-421-6050 is 5999

Does the NSN 5999-00-421-6050 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-00-421-6050 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 5999-00-421-6050 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-00-421-6050 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 5999-00-421-6050 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 9, 1970