Raytheon · Electronic Components
2778257-1
Shielding Gasket, Electronic
Part Number2778257-1
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-205-2868 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Outside Edge To Bolt Hole Center D0.187 INCHES NOMINAL
Overall Length1.750 INCHES NOMINAL
Material Document And ClassificatiQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE EMI/RFI CONDUCTOR
MaterialCOPPER ALLOY EMI/RFI CONDUCTOR
Style DesignatorNON-CIRCULAR
Aperture Diameter1.562 INCHES NOMINAL
Cross Sectional Shape StyleLINKED WIRE AND COMPOSITION
Cross Sectional Height0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM
Overall Width1.750 INCHES NOMINAL
Outside Corner Radius0.125 INCHES NOMINAL
Center To Center Distance Between1.375 INCHES NOMINAL
Vendor Part Numbers48-90411, 48-90411A, 07-0501-5834
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 2778257-1 available?
We can source 2778257-1 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 2778257-1 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2778257-1 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 2778257-1?
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 2778257-1?
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.