638-8859-001

View detailed technical data, stock status, and sourcing information for: 638-8859-001
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-209-4597

Item Name Code

61433

Assigment Date

05/30/1985 (41 years ago)

An item designed to fit over the opening of an engine exhaust pipe or muffler to prevent the entrance of rain or foreign matter into the manifold section of a reciprocating engine while not in use. It is automatically opened when the engine is started by pressure exerted from the exhaust system. It is equipped with a hinging action and may or may not have a counter weight. Excludes:cap, protective, dust and moisture seal.

0.190 inches nominal overall height, 1.250 inches nominal overall length, aluminum alloy material, anodize surface treatment, 0.530 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.

Overall Length: 1.250 inches nominal
Overall Height: 0.190 inches nominal
Overall Width: 0.530 inches nominal
Material: aluminum alloy
Surface Treatment: anodize
Test Data Document: "81349-mil-h-87111 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Specification/Standard Data: 81349-mil-h-87111/5 government specification

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5999-01-135-8421	No Name Available	03/25/2008
5999-01-137-2320	No Name Available	12/01/1986
5999-01-358-7328	No Name Available	12/01/2011

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
638-8859-001	Electrical-Electronic Heat Sink
M87111/05-1A013	Electrical-Electronic Heat Sink
M87111/05-1A13	Electrical-Electronic Heat Sink
M87111/5-1A13	Electrical-Electronic Heat Sink

FAQs

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

What is the FSCG of the NSN 5999-01-209-4597?

The FSCG of the NSN 5999-01-209-4597 is 5999

Does the NSN 5999-01-209-4597 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-209-4597 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 5999-01-209-4597 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-01-209-4597 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 5999-01-209-4597 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, May 30, 1985