287-1254P1

View detailed technical data, stock status, and sourcing information for: 287-1254P1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-00-707-3257

Item Name Code

20281

Assigment Date

01/01/1961 (65 years ago)

6.500 inches nominal aperture length, 0.156 inches nominal cross-sectional thickness, in sealing gasket aperture environmental protection material location, 3.250 inches nominal aperture width, incl gas seal special features

Product Characteristics

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

Aperture Width: 3.250 inches nominal
Aperture Length: 6.500 inches nominal
Cross-Sectional Thickness: 0.156 inches nominal
Environmental Protection Material Location: in sealing gasket aperture
Special Features: incl gas seal
Surface Treatment: cadmium emi/rfi conductor

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
287-1254P1	Electronic Shielding Gasket
5900-650	Electronic Shielding Gasket
900-5017	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-00-707-3257?

The FSCG of the NSN 5999-00-707-3257 is 5999

Does the NSN 5999-00-707-3257 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-00-707-3257 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 5999-00-707-3257 contain precious materials?

Precious metal content is unknown

Does NSN 5999-00-707-3257 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 5999-00-707-3257 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961