Northrop Grumman Systems · Electronic Components
DD420040H06
Shielding Gasket, Electronic
Part NumberDD420040H06
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-449-1442 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Width1.000 INCHES NOMINAL
Cross Sectional Shape StyleEMI HOLLOW
MaterialSILVER EMI/RFI CONDUCTOR
Precious MaterialSILVER
Precious Material And LocationEMI/RFI CONDUCTIVE PARTICLES SILVER
Cross Section Outside Diameter0.375 INCHES NOMINAL
Style DesignatorRECTANGULAR
Overall Length16.080 INCHES NOMINAL
Cross Section Inside Diameter0.250 INCHES NOMINAL
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 DD420040H06 available?
We can source DD420040H06 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 DD420040H06 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DD420040H06 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 DD420040H06?
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 DD420040H06?
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.