Sector Microwave Industries · Electronic Components
SMS-418
Switch, Waveguide
Part NumberSMS-418
ManufacturerSector Microwave Industries
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-599-4476 (NSN)
Federal Item NameSWITCH,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Overall Length10.000 INCHES MAXIMUM
Body StyleRECTANGULAR
Overall Width4.250 INCHES NOMINAL
Overall Height4.250 INCHES NOMINAL
Switch TypeTRANSFER
Flange Connecting Facility And Qua30 UNTHREADED HOLE(S)
Coupling Position Quantity2
Terminal Type And Quantity19 PIN AND 3 RECTANGULAR FLANGE
Minimum Crosstalk Rating In Decibe85.0 SINGLE
MaterialALUMINUM COVER
Mounting Facility Type And Quantit4 THREADED HOLE(S)
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 SMS-418 available?
We can source SMS-418 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 SMS-418 by Sector Microwave Industries obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SMS-418 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 SMS-418?
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 SMS-418?
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.