L3Harris Technologies · Electronic Components
DMH21-1
Coupler, Antenna
Part NumberDMH21-1
ManufacturerL3Harris Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-077-1513 (NSN)
Federal Item NameCOUPLER,ANTENNA
Federal Supply Class5985 — Antennas and Waveguides
Terminal Quantity3
Terminal TypeCONNECTOR
Coupling MethodELECTRONIC
Power Rating108.0 MEGAWATTS MINIMUM AND 335.3 MEGAWATTS MAXIMUM
Overall Length2.875 INCHES NOMINAL
Overall Width2.875 INCHES NOMINAL
MaterialALUMINUM BODY
Mounting ConfigurationTWO 0.203 IN. DIA. MTG HOLES ON 2.375 IN. MTG CTR
Overall Height1.030 INCHES NOMINAL
Tuning TypeFIXED
Vendor Part Numbers706A35341001, S345A50T1001, 704A35-3410-01
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 DMH21-1 available?
We can source DMH21-1 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 DMH21-1 by L3Harris Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DMH21-1 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 DMH21-1?
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 DMH21-1?
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.