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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-C-718810
Waveguide Assembly
Part NumberSM-C-718810
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-030-9983 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Inside Height0.497 INCHES NOMINAL0.497 INCHES NOMINAL
Flange Depth0.438 INCHES NOMINAL FIRST FLANGE0.438 INCHES NOMINAL FIRST FLANGE
Flange Inside Width1.253 INCHES NOMINAL FIRST FLANGE1.253 INCHES NOMINAL FIRST FLANGE
Flange Connecting Hole Diameter0.169 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY0.169 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY
Tubing Wall Construction StyleCORRUGATED SINGLE TUBING SEGMENTCORRUGATED SINGLE TUBING SEGMENT
Waveguide Inside Width1.122 INCHES NOMINAL1.122 INCHES NOMINAL
Waveguide Outside Height0.655 INCHES NOMINAL0.655 INCHES NOMINAL
Precious MaterialSILVER
Thread Class2B SECOND FLANGE SINGLE CONNECTION FACILITY2B SECOND FLANGE SINGLE CONNECTION FACILITY
Voltage Standing Wave Ratio1.051.05
Waveguide Outside Width1.359 INCHES NOMINAL1.359 INCHES NOMINAL
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-C-718810 available?
We can source SM-C-718810 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-C-718810 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-C-718810 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-C-718810?
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-C-718810?
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.