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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-D-656589
Shielding Gasket, Electronic
Part NumberSM-D-656589
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-244-2740 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Width7.870 INCHES NOMINAL
MaterialNICKEL ALLOY 400 EMI/RFI CONDUCTOR
Aperture Width6.750 INCHES NOMINAL
Material Document And ClassificatiZZ-R-765,CLASS 2,GRADE 40 FED SPEC SINGLE MATERIAL RESPONSE ENVIRONMENTAL SEAL
Style DesignatorNON-CIRCULAR
Bolt Hole Quantity8
Overall Length12.120 INCHES NOMINAL
Outside Edge To Bolt Hole Center D0.280 INCHES NOMINAL
Minor Width0.120 INCHES NOMINAL
Inside Corner Radius0.120 INCHES NOMINAL
Cross Sectional Shape StyleMESH AND COMPOSITION
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 SM-D-656589 available?
We can source SM-D-656589 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 SM-D-656589 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-D-656589 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 SM-D-656589?
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 SM-D-656589?
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.