Northrop Grumman Systems Corporation · Electronic Components
89402-3
Shielding Gasket, Electronic
Part Number89402-3
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-287-8469 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Bolt Circle Diameter4.585 INCHES MINIMUM AND 4.615 INCHES MAXIMUM
Style DesignatorCIRCULAR
Outside Diameter5.750 INCHES NOMINAL
MaterialNICKEL EMI/RFI CONDUCTOR
Cross Section Outside Diameter5.750 INCHES NOMINAL
Environmental Protection MaterialTHROUGHOUT RF SHIELDING GASKET
Hole Diameter0.266 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
Cross Sectional Shape StyleMESH AND COMPOSITION
Bolt Hole Quantity4
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 89402-3 available?
We can source 89402-3 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 89402-3 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 89402-3 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 89402-3?
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 89402-3?
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.