Narda Holdings · Electronic Components
26431-18
Attenuator, Fixed
Part Number26431-18
ManufacturerNarda Holdings
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-264-2217 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
MaterialSTEEL CORROSION RESISTING TERMINAL
Connection Type Per FunctionMALE OUTPUT AND FEMALE INPUT
Terminal Type And Quantity2 CONNECTOR
Rf Signal Attenuation In Decibels18.0
Coaxial Connector Series DesignatiSMA
Overall Length1.200 INCHES MINIMUM AND 1.240 INCHES MAXIMUM
Mounting MethodCONNECTOR
Frequency Range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Output Impedance Rating In Ohms50.0
Input Impedance Rating In Ohms50.0
Attenuation Accuracy Reference Fre18.0 GIGAHERTZ
Vendor Part Numbers263-18-037, SF0930-6200-18, 2139904G022
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 26431-18 available?
We can source 26431-18 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 26431-18 by Narda Holdings obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 26431-18 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 26431-18?
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 26431-18?
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.