Microwave Engineering Corporation · Electronic Components
R391-R
Antenna — Antennas and Waveguides
Part NumberR391-R
ManufacturerMicrowave Engineering Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-220-4293 (NSN)
Federal Item NameANTENNA
Federal Supply Class5985 — Antennas and Waveguides
Terminal TypeSCREW SINGLE ANTENNA ELEMENT
Electromagnetic Polarization TypeRIGHT CIRCULAR SINGLE ANTENNA ELEMENT
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT AND WATERPROOF
Design TypeHORN SINGLE ANTENNA ELEMENT
Power Rating200.000 WATTS CW SINGLE ANTENNA ELEMENT
Overall Diameter1.510 INCHES NOMINAL
Operating Temp Range-65.0 TO 71.0 CELSIUS
Frequency Rating5.200 GIGAHERTZ MINIMUM AND 10.400 GIGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT
Mounting MethodCLAMP
FSC Application DataANTENNA,BODY SECTION ASSEMBLY
Overall Length10.300 INCHES NOMINAL
Vendor Part Numbers5068S-RHC, 1356AS1158
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 R391-R available?
We can source R391-R 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 R391-R by Microwave Engineering Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R391-R 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 R391-R?
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 R391-R?
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.