Us Army Aviation And Missile Command · Electronic Components
9975889-2
Coupler, Directional
Part Number9975889-2
ManufacturerUs Army Aviation And Missile Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-978-4255 (NSN)
Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Overall Width1.670 INCHES NOMINAL
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
Radio Frequency Rating900.0 MEGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM
Power Loss In Decibels0.2
Design TypeUNIDIRECTIONAL
Unit TypeCOAXIAL LINE
Overall Length2.700 INCHES NOMINAL
Overall Height0.838 INCHES NOMINAL
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 9975889-2 available?
We can source 9975889-2 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 9975889-2 by Us Army Aviation And Missile Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9975889-2 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 9975889-2?
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 9975889-2?
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.