Kay Elemetrics · Electronic Components
447A
Attenuator, Variable
Part Number447A
ManufacturerKay Elemetrics
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-275-5097 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Application DesignTRANSMISSION LINE
Frequency Range0.000 HERTZ MINIMUM AND 500.000 MEGAHERTZ MAXIMUM
Adjustment Device Type And Quantit9 KNOB
Step Position Quantity9
Impedance Rating In Ohms75.0 INPUT-OUTPUT
Mounting Facility Type And Quantit4 THREADED HOLE(S)
Overall Attenuation Range In Decib+0.0 TO 102.5
Overall Width1.375 INCHES NOMINAL
Coaxial Connector Series DesignatiBNC
Mounting Thread Quantity56 PER INCH
Mounting Facility Screw Thread SerUNIFIED NATIONAL COARSE (UNC)
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 447A available?
We can source 447A 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 447A by Kay Elemetrics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 447A 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 447A?
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 447A?
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.