5203B

View detailed technical data, stock status, and sourcing information for: 5203B
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-00-110-1037

Item Name Code

61433

Assigment Date

08/02/1968 (58 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.

1.531 inches nominal overall length, 0.531 inches nominal overall height, 0.188 inches nominal all mounting facilities unthreaded mounting hole diameter, 1.250 inches nominal overall width, 2 unthreaded hole all mounting facilities mounting facility type and 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: 1.531 inches nominal
Overall Height: 0.531 inches nominal
Overall Width: 1.250 inches nominal
Unthreaded Mounting Hole Diameter: 0.188 inches nominal all mounting facilities
Mounting Facility Type And Quantity: 2 unthreaded hole all mounting facilities
Material: aluminum alloy 6061
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,type 2 mil spec single treatment response

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5999-00-008-6896	No Name Available	07/01/2008
5999-00-403-2598	No Name Available	01/01/2009
5999-00-477-9331	No Name Available	02/01/1981
5999-01-056-3300	No Name Available	11/30/2016

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
114207	Electrical-Electronic Heat Sink
11437640-2	Electrical-Electronic Heat Sink
128C893H01	Electrical-Electronic Heat Sink
3206038-0004	Electrical-Electronic Heat Sink
352-9599-070	Electrical-Electronic Heat Sink
385013-1	Electrical-Electronic Heat Sink
5203B	Electrical-Electronic Heat Sink
533517-4	Electrical-Electronic Heat Sink
6103A	Electrical-Electronic Heat Sink
6103B-BASE	Electrical-Electronic Heat Sink
6103CT0P	Electrical-Electronic Heat Sink
D34009162-001	Electrical-Electronic Heat Sink
T349004404	Electrical-Electronic Heat Sink

FAQs

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

What is the FSCG of the NSN 5999-00-110-1037?

The FSCG of the NSN 5999-00-110-1037 is 5999

Does the NSN 5999-00-110-1037 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-00-110-1037 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 5999-00-110-1037 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-00-110-1037 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 5999-00-110-1037 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Aug 2, 1968