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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SMA778179-1
Switch, Waveguide
Part NumberSMA778179-1
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-140-8854 (NSN)
Federal Item NameSWITCH,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Actuator Current Type And Rating I1.0 DC MAXIMUM
Actuator Voltage In Volts28.0 NOMINAL
Switching Time500.0 MILLISECONDS
Operating Temp Range-25.0 TO 150.0 FAHRENHEIT
Overall Length7.600 INCHES NOMINAL
Flange Connecting Facility And Qua8 THREADED HOLE(S)
Nominal Thread Size0.190 INCHES FLANGE CONNECTION FACILITY HOLE
Waveguide Flange TypeCONTACT
Coupling Position Quantity5
Minimum Crosstalk Rating In Decibe70.0 SINGLE
Overall Width4.250 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 SMA778179-1 available?
We can source SMA778179-1 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 SMA778179-1 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 SMA778179-1 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 SMA778179-1?
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 SMA778179-1?
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.