5999-01-499-9973

Find complete technical information, availability, and procurement data for: 5999-01-499-9973
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-499-9973

Item Name Code

20281

Assigment Date

08/09/2002 (23 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

end item:shop equipment electrical 4940-01-445-0086 special features, throughout rf shielding gasket environmental protection material location, emi hollow cross-sectional shape style, 0.125 inches minimum and 0.156 inches maximum overall height, 0.562 inches minimum and 0.688 inches maximum 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: emi hollow
Overall Height: 0.125 inches minimum and 0.156 inches maximum
Overall Width: 0.562 inches minimum and 0.688 inches maximum
Environmental Protection Material Location: throughout rf shielding gasket
Special Features: end item:shop equipment electrical 4940-01-445-0086
Material: copper emi/rfi conductor
Material: steel internal
Material Document And Classification: astm b-520 national spec all material responses emi/rfi conductor
Surface Treatment: tin emi/rfi conductor

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
20-45101	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-01-499-9973?

The FSCG of the NSN 5999-01-499-9973 is 5999

Does the NSN 5999-01-499-9973 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-499-9973 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 5999-01-499-9973 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-01-499-9973 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 5999-01-499-9973 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Fri, Aug 9, 2002