BU00.399.0253

View detailed technical data, stock status, and sourcing information for: BU00.399.0253
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-721-4034

Item Name Code

61433

Assigment Date

06/11/2024 (2 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.

27.19 millimeters nominal overall width, horizontally mounted body style, 35.56 millimeters nominal overall length, 3623 heat spreader part name assigned by controlling agency, 8.66 millimeters nominal overall height

Product Characteristics

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

Body Style: horizontally mounted
Overall Length: 35.56 millimeters nominal
Overall Height: 8.66 millimeters nominal
Overall Width: 27.19 millimeters nominal
Part Name Assigned By Controlling Agency: 3623 heat spreader
Special Features: mil-dtl-5541 trivalent chromium; threaded hole all mounting facilities.
Material: aluminum alloy 6063

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
BU00.399.0253	Electrical-Electronic Heat Sink

FAQs

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

What is the FSCG of the NSN 5999-01-721-4034?

The FSCG of the NSN 5999-01-721-4034 is 5999

Does the NSN 5999-01-721-4034 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-721-4034 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 5999-01-721-4034 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-01-721-4034 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 5999-01-721-4034 was assigned to the Federal Catalog?

It was assigned 2 years ago, on Tue, Jun 11, 2024