687-4120-001

View detailed technical data, stock status, and sourcing information for: 687-4120-001
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-342-3923

Item Name Code

61433

Assigment Date

07/21/1991 (35 years ago)

An item which is specifically designed to absorb, conduct or dissipate heat generated by an electrical and/or electronic component or an external source in order to prevent damage to the component. Do not use if a more specific name applies.

copper alloy material, 0.625 inches nominal overall length, 0.625 inches nominal overall width, 2 unthreaded hole single mounting facility mounting facility type and quantity, 0.065 inches minimum and 0.069 inches maximum single mounting facility unthreaded mounting hole diameter

Product Characteristics

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

Overall Length: 0.625 inches nominal
Overall Width: 0.625 inches nominal
Unthreaded Mounting Hole Diameter: 0.065 inches minimum and 0.069 inches maximum single mounting facility
Mounting Facility Type And Quantity: 2 unthreaded hole single mounting facility
Material: copper alloy
Material Document And Classification: qq-c-576 fed spec single material response
Surface Treatment: chromate

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
687-4120-001	Electrical-Electronic Heat Sink

FAQs

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

What is the FSCG of the NSN 5999-01-342-3923?

The FSCG of the NSN 5999-01-342-3923 is 5999

Does the NSN 5999-01-342-3923 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-342-3923 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 5999-01-342-3923 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-01-342-3923 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 5999-01-342-3923 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, Jul 21, 1991