Raytheon · Electronic Components
G277251-1
Shielding Gasket, Electronic
Part NumberG277251-1
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-389-7897 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Cross Sectional Height0.093 INCHES NOMINAL
Hole Diameter0.250 INCHES NOMINAL
Aperture Width12.750 INCHES NOMINAL
Bolt Hole Quantity20
Material Document And Classificati570583-6 MFR REF 1ST MATERIAL RESPONSE EMI/RFI CONDUCTOR
Style DesignatorNON-CIRCULAR
Surface TreatmentCHROMATE STOP
Aperture Length14.500 INCHES NOMINAL
Surface Treatment Document And ClaMIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE STOP
Cross Sectional Shape StyleEMI
Overall Length15.500 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 G277251-1 available?
We can source G277251-1 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 G277251-1 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If G277251-1 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 G277251-1?
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 G277251-1?
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.