Narda Holdings · Electronic Components
581R954H05
Coupler, Directional
Part Number581R954H05
ManufacturerNarda Holdings
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-504-0584 (NSN)
Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Overall Length1.920 INCHES NOMINAL
Overall Height0.380 INCHES NOMINAL
Design TypeBIDIRECTIONAL
Power Loss In Decibels2.25 AND 3.75
Unpackaged Unit Weight0.500 POUNDS NOMINAL
Usage DesignMAIN LINE TERMINAL FITTING
Radio Frequency Rating2.0 GIGAHERTZ MINIMUM AND 4.0 GIGAHERTZ MAXIMUM
Overall Width0.970 INCHES NOMINAL
Terminal Fitting Controlling AgencNORTHROP GRUMMAN CORP
Unit TypeCOAXIAL LINE
Vendor Part Numbers506131
ESD/EMICode A — ESD/EMI sensitive item
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 581R954H05 available?
We can source 581R954H05 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 581R954H05 by Narda Holdings obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 581R954H05 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 581R954H05?
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 581R954H05?
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.