178AS137

View detailed technical data, stock status, and sourcing information for: 178AS137
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-00-165-3667

Item Name Code

20281

Assigment Date

07/14/1972 (54 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.

7.800 inches nominal overall length, 0.070 inches nominal hole diameter, mesh and composition cross-sectional shape style, 0.120 inches nominal minor width, 4.170 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: mesh and composition
Hole Diameter: 0.070 inches nominal
Overall Length: 7.800 inches nominal
Overall Width: 4.170 inches nominal
Minor Width: 0.120 inches nominal
Inside Corner Radius: 0.060 inches nominal
Outside Corner Radius: 0.500 inches nominal
Aperture Width: 3.370 inches nominal
Aperture Length: 7.000 inches nominal
Cross-Sectional Height: 0.150 inches nominal
Minor Height: 0.130 inches nominal
Bolt Hole Quantity: 18
Environmental Protection Material Location: around rf shielding gasket outer perimeter
Material: nickel alloy 400 emi/rfi conductor
Material: rubber silicone class q environmental seal
Material Document And Classification: mil-s-6855,class 2,grade 40 mil spec single material response environmental seal
Material Document And Classification: qq-n-281,class a fed spec single material response or ams 4730 fed spec single material 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
03-0101-7477	Electronic Shielding Gasket
178AS137	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-00-165-3667?

The FSCG of the NSN 5999-00-165-3667 is 5999

Does the NSN 5999-00-165-3667 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-00-165-3667 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 5999-00-165-3667 contain precious materials?

Precious metal content is unknown

Does NSN 5999-00-165-3667 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 5999-00-165-3667 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Jul 14, 1972