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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-D-570280
Waveguide Assembly
Part NumberSM-D-570280
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-168-9474 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Outside Width1.496 INCHES MINIMUM AND 1.504 INCHES MAXIMUM
Bend Angle In Deg81.0 THIRD BEND H-PLANE
Voltage Standing Wave Ratio1.10
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Tubing Wall Construction StyleSEAMLESS ALL TUBING SEGMENT
FSC Application DataRADAR EQUIPMENT
Waveguide Center To Center Distanc14.730 INCHES MINIMUM AND 14.770 INCHES MAXIMUM
FlexibilityRIGID ALL TUBING SEGMENT
Surface TreatmentANODIZE ALL TUBING SEGMENT AND FLANGE ALL SURFACES
Waveguide Inside Height0.618 INCHES MINIMUM AND 0.626 INCHES MAXIMUM
Style DesignatorOFFSET BEND TYPE
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-570280 available?
We can source SM-D-570280 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-570280 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-570280 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-570280?
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-570280?
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.