5999-00-413-9898

Find complete technical information, availability, and procurement data for: 5999-00-413-9898
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-00-413-9898

Item Name Code

00443

Assigment Date

01/01/1961 (65 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

2.250 inches nominal overall length, 0.188 inches nominal unthreaded mounting hole diameter, 0.875 inches nominal overall width, 0.750 inches nominal overall height, 1 mounting facility quantity

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 2.250 inches nominal
Overall Height: 0.750 inches nominal
Overall Width: 0.875 inches nominal
Unthreaded Mounting Hole Diameter: 0.188 inches nominal
Mounting Facility Quantity: 1
Mounting Method: unthreaded hole
Material: copper contact
Material: metal body
Style Designator: irregular shape
Terminal Type And Quantity: 1 eyelet axially at one end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5945-00-400-1740	No Name Available	05/01/1979

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
24-4812	Electrical Contact
624-266	Electrical Contact

FAQs

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

What is the FSCG of the NSN 5999-00-413-9898?

The FSCG of the NSN 5999-00-413-9898 is 5999

Does the NSN 5999-00-413-9898 have a Schedule B code assigned?

Yes, the Schedule B code is 8538907040

Does NSN 5999-00-413-9898 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 5999-00-413-9898 contain precious materials?

Precious metal content is unknown

Does NSN 5999-00-413-9898 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 5999-00-413-9898 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961