84-90156

View detailed technical data, stock status, and sourcing information for: 84-90156
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-206-4122

Item Name Code

20281

Assigment Date

04/18/1985 (41 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

0.125 inches nominal inside corner radius, 0.140 inches nominal hole diameter, metal and synthetic rubber cross-sectional shape style, 4.130 inches nominal overall width, 4.950 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: metal and synthetic rubber
Hole Diameter: 0.140 inches nominal
Overall Length: 4.950 inches nominal
Overall Width: 4.130 inches nominal
Inside Corner Radius: 0.125 inches nominal
Outside Corner Radius: 0.125 inches nominal
Aperture Width: 3.380 inches nominal
Aperture Length: 4.200 inches nominal
Center To Center Distance Between Bolt Holes Along Width: 1.375 inches nominal
Center To Center Distance Between Bolt Holes Along Length: 1.150 inches nominal
Outside Edge To Bolt Hole Center Distance Along Width: 0.170 inches nominal
Outside Edge To Bolt Hole Center Distance Along Length: 0.170 inches nominal
Cross-Sectional Thickness: 0.060 inches nominal
Bolt Hole Quantity: 14
Environmental Protection Material Location: along one edge
Material: copper alloy and silver emi/rfi conductor
Material: rubber silicone class q environmental seal
Precious Material And Location: throughout shielding gasket silver
Precious Material: silver
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
07700-84-90156	Electronic Shielding Gasket
1164AS418	Electronic Shielding Gasket
84-90156	Electronic Shielding Gasket
85-80049	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-01-206-4122?

The FSCG of the NSN 5999-01-206-4122 is 5999

Does the NSN 5999-01-206-4122 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-206-4122 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 5999-01-206-4122 contain precious materials?

Item contains silver.

Does NSN 5999-01-206-4122 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 5999-01-206-4122 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Apr 18, 1985