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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-D-720881
Waveguide Assembly
Part NumberSM-D-720881
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-030-9945 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Inside Height0.622 INCHES NOMINAL ALL FLANGES
Waveguide Outside Height0.750 INCHES NOMINAL
Flange Outside Height1.940 INCHES NOMINAL ALL FLANGES
FlexibilityRIGID SINGLE TUBING SEGMENT
Flange Connecting Hole Diameter0.196 INCHES NOMINAL ALL FLANGES SINGLE CONNECTION FACILITY
Waveguide Inside Height0.622 INCHES NOMINAL
Waveguide Outside Width1.500 INCHES NOMINAL
Waveguide Offset Distance49.620 INCHES NOMINAL
Flange StyleCOVER TYPE ALL FLANGES
MaterialCOPPER ALLOY ALL FLANGE
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-720881 available?
We can source SM-D-720881 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-720881 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-720881 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-720881?
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-720881?
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.