DD420040H06

View detailed technical data, stock status, and sourcing information for: DD420040H06
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-449-1442

Item Name Code

20281

Assigment Date

09/22/1997 (28 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

emi hollow cross-sectional shape style, 0.250 inches nominal cross section inside diameter, 16.080 inches nominal overall length, 0.375 inches nominal cross section outside diameter, 1.000 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.

Cross-Sectional Shape Style: emi hollow
Overall Length: 16.080 inches nominal
Overall Width: 1.000 inches nominal
Cross Section Inside Diameter: 0.250 inches nominal
Cross Section Outside Diameter: 0.375 inches nominal
Special Features: one 0.250 in. by 0.250 in. cut outs on both ends of gasket along flat edge
Material: rubber silicone class q environmental seal
Material: silver emi/rfi conductor
Precious Material And Location: emi/rfi conductive particles silver
Precious Material: silver
Style Designator: rectangular

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
1918X-81-20022	Electronic Shielding Gasket
DD420040H06	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-01-449-1442?

The FSCG of the NSN 5999-01-449-1442 is 5999

Does the NSN 5999-01-449-1442 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-449-1442 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 5999-01-449-1442 contain precious materials?

Item contains silver.

Does NSN 5999-01-449-1442 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 5999-01-449-1442 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Mon, Sep 22, 1997