5999-01-181-4975

Find complete technical information, availability, and procurement data for: 5999-01-181-4975
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-181-4975

Item Name Code

20281

Assigment Date

06/11/1984 (42 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

1.335 inches minimum and 1.365 inches maximum aperture width, 0.280 inches minimum and 0.300 inches maximum hole diameter, emi cross-sectional shape style, 4.923 inches minimum and 4.953 inches maximum bolt circle diameter, 5.309 inches minimum and 5.327 inches maximum outside 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: 0.280 inches minimum and 0.300 inches maximum
Bolt Circle Diameter: 4.923 inches minimum and 4.953 inches maximum
Outside Diameter: 5.309 inches minimum and 5.327 inches maximum
Aperture Width: 1.335 inches minimum and 1.365 inches maximum
Aperture Length: 1.835 inches minimum and 1.865 inches maximum
Cross-Sectional Height: 0.024 inches minimum and 0.030 inches maximum
Bolt Hole Quantity: 8
Environmental Protection Material Location: throughout rf shielding gasket
Material: copper emi/rfi conductor
Material: silicon environmental seal
Material Document And Classification: mil-g-83528,type k mil spec single material response emi/rfi conductor
Material Document And Classification: mil-g-83528,type k mil spec single material response environmental seal
Precious Material And Location: emi/rfi conductive particle surfaces silver
Precious Material: silver
Surface Treatment: silver emi/rfi conductor
Style Designator: circular square
Supplementary Features: one centrally located rectangular aperturturee

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
20-01-5045-1236	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-01-181-4975?

The FSCG of the NSN 5999-01-181-4975 is 5999

Does the NSN 5999-01-181-4975 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-181-4975 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 5999-01-181-4975 contain precious materials?

Item contains silver.

Does NSN 5999-01-181-4975 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 5999-01-181-4975 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Jun 11, 1984