Kay Elemetrics · Electronic Components
431B
Attenuator, Variable
Part Number431B
ManufacturerKay Elemetrics
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-448-6900 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Terminal Type And Quantity2 MALE COAXIAL CONNECTOR
Impedance Rating In Ohms50.0 INPUT-OUTPUT
Insertion Loss At Minimum Attenuat0.2
Voltage Standing Wave Ratio1.20
Frequency Range0.000 MEGAHERTZ MINIMUM AND 1000.000 MEGAHERTZ MAXIMUM
Overall Attenuation Range In Decib+0.0 TO 41.0
Power Rating1.0 WATTS AVERAGE
Vendor Part Numbers431A
Accessory Identifying NumberTS-2082/U TYPE NO. AND CX-9795/U TYPE NO. AND CX-9673/U TYPE NO.
Dc Voltage Rating27.0 VOLTS NOMINAL
Input Frequency Range+0.050 TO 1.000 GIGAHERTZ
Length12.500 INCHES NOMINAL
Furnished ItemsTEST SET,RADIO FREQUENCY;CABLE ASSEMBLY,SPECIAL PURPOSE,ELECTRICAL;CABLE ASSEMBLY,POWER,ELECTRICAL
Surface TreatmentPAINT
Measurement UnitAVERAGE POWER
PhaseSINGLE
Height6.531 INCHES NOMINAL
Features ProvidedINTERNAL BATTERY ACCOMMODATION
MaterialALUMINUM HOUSING
Cancelled NSN6625-00-903-2599 (cancelled)
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 431B available?
We can source 431B 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 431B by Kay Elemetrics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 431B 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 431B?
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 431B?
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.