Frontgrade Technologies Inc. · Electronic Components
3165
Coupler, Rotary, Radio Frequency
Part Number3165
ManufacturerFrontgrade Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-081-9965 (NSN)
Federal Item NameCOUPLER,ROTARY,RADIO FREQUENCY
Federal Supply Class5985 — Antennas and Waveguides
Radio Frequency Rating2.1 GIGAHERTZ MINIMUM AND 2.7 GIGAHERTZ MAXIMUM
Output Impedance Rating In Ohms50.0
MaterialALUMINUM
Overall Diameter7.500 INCHES NOMINAL
Input Impedance Rating In Ohms50.0
Unit TypeWAVEGUIDE
Overall Length18.000 INCHES NOMINAL
Mounting Configuration4 HOLES 0.406 IN DIA ON 6.5 IN DIA BC,2 FLANGES UG-554/U
Vendor Part Numbers654VM2505-3
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 3165 available?
We can source 3165 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 3165 by Frontgrade Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3165 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 3165?
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 3165?
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.