Narda Holdings · Electronic Components
4202B20
Coupler, Directional
Part Number4202B20
ManufacturerNarda Holdings
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-121-3869 (NSN)
Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Overall Width1.049 INCHES MINIMUM AND 1.079 INCHES MAXIMUM
Radio Frequency Rating1.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
Power Loss In Decibels20.0
Unit TypeCOAXIAL LINE
Design TypeBIDIRECTIONAL
Overall Length4.178 INCHES MINIMUM AND 4.208 INCHES MAXIMUM
Overall Height0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM
Vendor Part Numbers3499611
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 4202B20 available?
We can source 4202B20 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 4202B20 by Narda Holdings obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4202B20 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 4202B20?
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 4202B20?
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.