MIL-SPEC · Electronic Components
M28840/24JB
Shielding Gasket, Electronic
Part NumberM28840/24JB
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-249-9070 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
MaterialNICKEL ALLOY EMI/RFI CONDUCTOR
Bolt Hole Quantity4
Material Document And ClassificatiQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE EMI/RFI CONDUCTOR
Style DesignatorNON-CIRCULAR
Test Data Document81349-MIL-C-28840 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Aperture Diameter2.062 INCHES MINIMUM AND 2.078 INCHES MAXIMUM
Overall Length2.328 INCHES MINIMUM AND 2.344 INCHES MAXIMUM
Center To Center Distance Between1.724 INCHES MINIMUM AND 1.744 INCHES MAXIMUM
Cross Sectional Shape StyleEMI
Outside Edge To Bolt Hole Center D0.301 INCHES NOMINAL
Outside Corner Radius0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM
ESD/EMICode A — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is M28840/24JB available?
We can source M28840/24JB even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is M28840/24JB by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M28840/24JB has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like M28840/24JB?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for M28840/24JB?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.