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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-A-753738
Waveguide Assembly
Part NumberSM-A-753738
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-143-3125 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Voltage Standing Wave Ratio1.10
Waveguide Inside Height0.497 INCHES NOMINAL
Style DesignatorBEND TYPE
Flange StyleCHOKE TYPE ALL FLANGES
Bend Angle In Deg90.0 SINGLE BEND H-PLANE
Waveguide Offset Distance1.968 INCHES NOMINAL
Waveguide Outside Height0.625 INCHES NOMINAL
Waveguide Inside Width1.122 INCHES NOMINAL
Surface TreatmentANODIZE ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Flange Inside Width1.122 INCHES NOMINAL ALL FLANGES
Vendor Part NumbersAR3129
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-A-753738 available?
We can source SM-A-753738 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-A-753738 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-A-753738 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-A-753738?
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-A-753738?
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.