Krytar, Inc. · Electronic Components
1818S
Coupler, Directional
Part Number1818S
ManufacturerKrytar, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-181-0341 (NSN)
Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Overall Width2.060 INCHES NOMINAL
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
Unit TypeCOAXIAL LINE OR TRANSMISSION LINE
Power Loss In Decibels15.0 AND 17.0
Design TypeBIDIRECTIONAL
Overall Length2.840 INCHES NOMINAL
Overall Height0.530 INCHES NOMINAL
Radio Frequency Rating2.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM
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 1818S available?
We can source 1818S 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 1818S by Krytar, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1818S 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 1818S?
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 1818S?
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.