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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SMB439643
Waveguide Assembly
Part NumberSMB439643
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-267-9253 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange Inside Height0.311 INCHES NOMINAL FIRST FLANGE
Flange Outside Width2.250 INCHES NOMINAL SECOND FLANGE
Thread Class2B SECOND FLANGE SINGLE CONNECTION FACILITY
Nominal Thread Size0.138 INCHES SECOND FLANGE SINGLE CONNECTION FACILITY
Waveguide Inside Height0.311 INCHES NOMINAL
Flange Inside Width0.705 INCHES NOMINAL SECOND FLANGE
Thread DirectionRIGHT-HAND SECOND FLANGE SINGLE CONNECTION FACILITY
Flange Depth0.375 INCHES NOMINAL FIRST FLANGE
Waveguide Inside Width0.622 INCHES NOMINAL
Waveguide Outside Height0.391 INCHES NOMINAL
FSC Application DataTRAINERS,RADAR
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 SMB439643 available?
We can source SMB439643 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 SMB439643 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 SMB439643 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 SMB439643?
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 SMB439643?
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.