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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-A-976963-1
Coupler, Directional
Part NumberSM-A-976963-1
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-154-7334 (NSN)
Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Overall Length4.980 INCHES MINIMUM AND 5.020 INCHES MAXIMUM
Overall Height1.875 INCHES NOMINAL
Identifying NumberTERMINAL FITTING PART NO. UG-138/U
Power Loss In Decibels30.0
Usage DesignMAIN LINE TERMINAL FITTING
Terminal Fitting Controlling AgencU.S. ARMY ELECTRONICS COMMAND
Unit TypeCOAXIAL LINE AND WAVEGUIDE
Design TypeBIDIRECTIONAL
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Radio Frequency Rating7.9 GIGAHERTZ MINIMUM AND 8.4 GIGAHERTZ MAXIMUM
Overall Width3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM
Vendor Part Numbers64-S22
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 SM-A-976963-1 available?
We can source SM-A-976963-1 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 SM-A-976963-1 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-A-976963-1 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 SM-A-976963-1?
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 SM-A-976963-1?
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.