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Worldwide distributor of NSN parts and consumables located in the USA.

Electronic Shielding Gasket

Model / MPN: MIL-C-28840/24 | NSN: 5999-01-249-9068
ITAR Registered seal

A shaped metallic item designed to increase the effectiveness of radio frequency/electromagnetic interference, or a nonmetallic item containing a wire mesh, metal, or other electrically conductive particles designed to provide environmental sealing and radio frequency/electromagnetic interference shielding. For bulk items see wire mesh, knitted or gasketing material, conductive.

Product Details
NATO Stock Number
5999-01-249-9068
Sold in multiples of
1 EA
DEMIL
NO
Cross Sectional Shape
Emi
Hole Diameter
Between 0.110 inches and 0.130 inches
Overall Length
Between 1.138 inches and 1.154 inches
Overall Width
Between 1.138 inches and 1.154 inches
Aperture Diameter
Between 0.875 inches and 0.891 inches
Outside Corner Radius
Between 0.131 inches and 0.151 inches
Center To Center Distance Between Bolt Holes Along Width
Between 0.833 inches and 0.853 inches
Center To Center Distance Between Bolt Holes Along Length
Between 0.833 inches and 0.853 inches
Outside Edge To Bolt Hole Center Distance Along Width
0.151 inches
Outside Edge To Bolt Hole Center Distance Along Length
0.151 inches
Cross-sectional Height
Between 0.026 inches and 0.036 inches
Bolt Hole Quantity
4
Environmental Protection Material Location
Throughout rf shielding gasket
Material
Nickel alloy emi/rfi conductor
Material
Rubber silicone class q environmental seal
Material Specification
Qq-n-281 federal specification single material response emi/rfi conductor
Material Specification
Zz-r-765 class 3, grade 30 federal specification 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", "", etc.).
Specification Data
81349-mil-c-28840/24 government specification
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M217T4293 Shielding Gasket, El 50 EA 08/14/2017
SPE7M218T1723 Shielding Gasket, El 250 EA 02/12/2018

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MIL-C-28840/24 Cross Reference
  • M28840/24BB
  • MIL-DTL-28840/24