Bae Systems Information And Electronic Systems Integration Inc. · Electronic Components
666231-809
Coupler, Directional
Part Number666231-809
ManufacturerBae Systems Information And Electronic Systems Integration Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-078-4717 (NSN)
Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Unit TypeTRANSMISSION LINE
Terminal Fitting Controlling AgencMS
Overall Length3.375 INCHES NOMINAL
Radio Frequency Rating2.0 MEGAHERTZ MINIMUM AND 30.0 MEGAHERTZ MAXIMUM
Design TypeBIDIRECTIONAL
Overall Height6.500 INCHES NOMINAL
Identifying NumberTERMINAL FITTING PART NO. MS33678-28-12P
Overall Width3.250 INCHES NOMINAL
Usage DesignMAIN LINE TERMINAL FITTING
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 666231-809 available?
We can source 666231-809 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 666231-809 by Bae Systems Information And Electronic Systems Integration Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 666231-809 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 666231-809?
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 666231-809?
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.