M28840/24CB

View detailed technical data, stock status, and sourcing information for: M28840/24CB
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-266-4079

Item Name Code

20281

Assigment Date

10/24/1987 (38 years ago)

0.110 inches minimum and 0.130 inches maximum hole diameter, 1.258 inches minimum and 1.274 inches maximum overall length, emi cross-sectional shape style, 1.062 inches minimum and 1.078 inches maximum aperture diameter, 1.258 inches minimum and 1.274 inches maximum 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
Hole Diameter: 0.110 inches minimum and 0.130 inches maximum
Overall Length: 1.258 inches minimum and 1.274 inches maximum
Overall Width: 1.258 inches minimum and 1.274 inches maximum
Aperture Diameter: 1.062 inches minimum and 1.078 inches maximum
Outside Corner Radius: 0.120 inches nominal
Center To Center Distance Between Bolt Holes Along Width: 0.958 inches minimum and 0.978 inches maximum
Center To Center Distance Between Bolt Holes Along Length: 0.958 inches minimum and 0.978 inches maximum
Outside Edge To Bolt Hole Center Distance Along Width: 0.100 inches minimum and 0.158 inches maximum
Outside Edge To Bolt Hole Center Distance Along Length: 0.100 inches minimum and 0.158 inches maximum
Cross-Sectional Height: 0.026 inches minimum and 0.036 inches maximum
Bolt Hole Quantity: 4
Environmental Protection Material Location: throughout rf shielding gasket
Material: nickel alloy emi/rfi conductor
Material: rubber fluorosilicone class fq environmental seal
Material Document And Classification: qq-n-281 fed spec single material response emi/rfi conductor
Material Document And Classification: zz-r-765,class 3,grade 30 fed spec single material response environmental seal
Style Designator: non-circular
Test Data Document: "81349-mil-c-28840 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-c-28840/24 government specification

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
M28840/24CB	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-01-266-4079?

The FSCG of the NSN 5999-01-266-4079 is 5999

Does the NSN 5999-01-266-4079 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-266-4079 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 5999-01-266-4079 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-01-266-4079 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 5999-01-266-4079 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Oct 24, 1987