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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-C-423473
Attenuator, Variable
Part NumberSM-C-423473
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-086-7381 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Overall Attenuation Range In Decib+0.0 TO 12.0
Application DesignAUDIO
Shaft Length0.810 INCHES NOMINAL
First Flat Length0.312 INCHES NOMINAL
Shaft Diameter0.250 INCHES NOMINAL
Operating Temp Range-20.0 TO 160.0 FAHRENHEIT
Mounting Facility Screw Thread SerUNEF
Impedance Rating In Ohms5000.0 INPUT AND 220000.0 OUTPUT
Overall Width1.830 INCHES NOMINAL
Frequency Range0.000 KILOHERTZ MINIMUM AND 130.000 KILOHERTZ MAXIMUM
Mounting Facility Nominal Screw Th0.375 INCHES
Vendor Part Numbers8529-2
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-C-423473 available?
We can source SM-C-423473 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-C-423473 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-C-423473 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-C-423473?
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-C-423473?
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.