5999-01-397-4985

Find complete technical information, availability, and procurement data for: 5999-01-397-4985
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-397-4985

Item Name Code

20281

Assigment Date

10/12/1994 (31 years ago)

An enclosure, including two or more electrodes, in which a flow of electrons may occur through a vacuum or a contained gas. The electronic conduction takes place either by means of electrons emitted from a cathode or by ionization of the contained gas. Includes phototubes (photoemissive type only), geiger-mueller tubes, traveling wave tubes, cathode ray tubes and microwave tubes (klystron, magnetron, or the like). Excludes:items whose primary purpose is to produce light energy; photoelectric cell; and semiconductor device (as modified).

0.032 inches minimum and 0.035 inches maximum hole diameter, emi cross-sectional shape style, 6.820 inches nominal overall width, 4.180 inches nominal aperture width, 12.090 inches nominal overall length

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: 0.032 inches minimum and 0.035 inches maximum
Overall Length: 12.090 inches nominal
Overall Width: 6.820 inches nominal
Aperture Width: 4.180 inches nominal
Aperture Length: 8.320 inches nominal
Cross-Sectional Height: 0.032 inches nominal
Bolt Hole Quantity: 4
Environmental Protection Material Location: throughout rf shielding gasket
Outside Edge To Inside Edge Smallest Distance Along Width: 1.820 inches nominal
Outside Edge To Inside Edge Smallest Distance Along Length: 1.390 inches nominal
Special Features: additional apetrure perpendicular to the length with 0.130 in. radius corners, 3.060 long, 0.800 wide
Material: aluminum emi/rfi conductor
Material: rubber silicone class q environmental seal
Material Document And Classification: mil-g-83528 type b mil spec single material response emi/rfi conductor
Material Document And Classification: mil-g-83528 type b mil spec single material response environmental seal
Precious Material And Location: emi/rfi conductive particles silver
Precious Material: silver
Surface Treatment: silver emi/rfi conductor
Surface Treatment Document And Classification: mil-g-83528 type b mil spec single treatment 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
G492791-1	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-01-397-4985?

The FSCG of the NSN 5999-01-397-4985 is 5999

Does the NSN 5999-01-397-4985 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-397-4985 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 5999-01-397-4985 contain precious materials?

Item contains silver.

Does NSN 5999-01-397-4985 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 5999-01-397-4985 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Oct 12, 1994