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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-122804GRI
Waveguide Assembly
Part NumberSM-B-122804GRI
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-519-6874 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Inside Height0.311 INCHES NOMINAL
Waveguide Offset Distance1.800 INCHES NOMINAL
FSC Application DataRADAR EQUIPMENT,EXCEPT AIRBORNE
Waveguide Outside Width0.702 INCHES NOMINAL
Waveguide Longer Offset Distance1.806 INCHES NOMINAL
Precious Material And LocationFLANGE SURFACE SILVER
MaterialCOPPER ALLOY ALL FLANGE
FlexibilityRIGID SINGLE TUBING SEGMENT
Surface TreatmentLACQUER ALL FLANGE OUTSIDE SURFACES
Precious MaterialSILVER
Waveguide Inside Width0.622 INCHES NOMINAL
ESD/EMICode A — ESD/EMI sensitive item
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-B-122804GRI available?
We can source SM-B-122804GRI 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-B-122804GRI 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-B-122804GRI 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-B-122804GRI?
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-B-122804GRI?
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.