5999-00-643-7499

Find complete technical information, availability, and procurement data for: 5999-00-643-7499
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-00-643-7499

Item Name Code

00443

Assigment Date

01/01/1963 (63 years ago)

An item consisting of an electrically conductive material designed to furnish a surface which will physically and electrically meet another conducting surface for the purpose of transferring electrical energy and/or opening and closing circuits. Includes moving contacts which make and/or slide over stationary contacts or other stationary conductive material to a resulting fixed position. Excludes:items which are used in conjunction with continually moving surfaces or which make contact by gripping action of the contact surfaces. See also clip, electrical; clamp, electrical; brush, electrical contact; plug, tip; and jack, tip.

0.125 inches nominal point diameter, right-hand thread direction, 4.000 inches nominal overall length, 2b thread class, 1.625 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.

Thread Class: 2b
Thread Direction: right-hand
Point Diameter: 0.125 inches nominal
Overall Length: 4.000 inches nominal
Overall Width: 1.625 inches nominal
Unthreaded Mounting Hole Diameter: 0.406 inches nominal
Distance Between Mounting Facility Centers: 0.812 inches minimum and 2.250 inches maximum
Mounting Facility Quantity: 4
Mounting Method: threaded hole and unthreaded hole
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.375 inches
Material: copper alloy body
Material: copper alloy contact
Precious Material And Location: external surface silver
Precious Material And Weight: 1.000 silver grains, troy
Precious Material: silver
Surface Treatment: silver contact
Surface Treatment: silver body
Style Designator: flat leaf contact w/ round fixed point
Thread Series Designator: unc

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
253-62-01346PC13	Electrical Contact
257-62-1313PC27	Electrical Contact
257-62-1324GR4	Electrical Contact
257-62-1324PC13	Electrical Contact
75400Z130PC13	Electrical Contact
75400Z21PC27	Electrical Contact
75400Z23GR4	Electrical Contact
75400Z23PC13	Electrical Contact
75420Y6-4	Electrical Contact

FAQs

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

What is the FSCG of the NSN 5999-00-643-7499?

The FSCG of the NSN 5999-00-643-7499 is 5999

Does the NSN 5999-00-643-7499 have a Schedule B code assigned?

Yes, the Schedule B code is 8538907040

Does NSN 5999-00-643-7499 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 5999-00-643-7499 contain precious materials?

Item contains silver.

Does NSN 5999-00-643-7499 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 5999-00-643-7499 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963