Northrop Grumman Systems · Electronic Components
DD420040H05
Shielding Gasket, Electronic
Part NumberDD420040H05
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-449-1953 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Cross Sectional Shape StyleEMI HOLLOW
Precious Material And LocationEMI/RFI CONDUCTIVE PARTICLES SILVER
Style DesignatorRECTANGULAR
Precious MaterialSILVER
MaterialSILVER EMI/RFI CONDUCTOR
Overall Length15.900 INCHES NOMINAL
Cross Section Inside Diameter0.250 INCHES NOMINAL
Overall Width1.000 INCHES NOMINAL
Environmental Protection MaterialTHROUGHOUT RF SHIELDING GASKET
Cross Section Outside Diameter0.375 INCHES NOMINAL
Vendor Part Numbers81-00228
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 DD420040H05 available?
We can source DD420040H05 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 DD420040H05 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DD420040H05 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 DD420040H05?
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 DD420040H05?
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.