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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-D-796491-4
Waveguide Assembly
Part NumberSM-D-796491-4
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-033-8793 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Inside Height0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM
Flange Inside Width1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM ALL FLANGES
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Flange Outside Height1.730 INCHES MINIMUM AND 1.770 INCHES MAXIMUM ALL FLANGES
Flange Depth0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM ALL FLANGES
Precious Material And LocationINTERNAL WAVEGUIDE SURFACE SILVER
Criticality Code JustificationFEAT
Waveguide Longer Offset Distance1.750 INCHES NOMINAL
Flange Outside Width2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM ALL FLANGES
Flange Inside Height0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM ALL FLANGES
Waveguide Outside Width1.246 INCHES MINIMUM AND 1.254 INCHES MAXIMUM
Vendor Part Numbers50825
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-796491-4 available?
We can source SM-D-796491-4 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-796491-4 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-796491-4 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-796491-4?
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-796491-4?
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.