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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-D-421510
Coupler, Antenna
Part NumberSM-D-421510
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-752-0049 (NSN)
Federal Item NameCOUPLER,ANTENNA
Federal Supply Class5985 — Antennas and Waveguides
MaterialALUMINUM CASE
FSC Application DataCOUPLER,ANTENNA RADIO TRANSMITTER,EXCEPT NAVIGATION,AIRBORNE
Terminal TypeCONNECTOR AND CABLE CLAMP
Overall Height1.656 INCHES NOMINAL
Usage DesignMATCHES THE INPUT OF ANTENNA TYPE AT-454/ARC TO RECEIVER-TRANSMITTER TYPE RT-29/ARC
Overall Width2.000 INCHES NOMINAL
Mounting Configuration4 MTG HOLES 0.152 IN. DIA LOCATED ON 1.500 IN. BY 3.320 IN. CENTERS
Overall Length3.820 INCHES NOMINAL
Power Rating8.0 WATTS NOMINAL
Radio Frequency Rating24.0 MEGAHERTZ MINIMUM AND 51.9 MEGAHERTZ MAXIMUM
Coupling MethodINDUCTIVE-CAPACITIVE
Vendor Part NumbersGC1950, CU-361D/ARC
Cancelled NSN5985-00-625-0713 (cancelled)
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-D-421510 available?
We can source SM-D-421510 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-D-421510 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-D-421510 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-D-421510?
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-D-421510?
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.