CMC Electronics · Electronic Components
646-720000-402
Coupler, Rotary, Radio Frequency
Part Number646-720000-402
ManufacturerCMC Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-064-7158 (NSN)
Federal Item NameCOUPLER,ROTARY,RADIO FREQUENCY
Federal Supply Class5985 — Antennas and Waveguides
Overall Diameter4.630 INCHES NOMINAL
Overall Length3.256 INCHES NOMINAL
Input Impedance Rating In Ohms50.0
Output Impedance Rating In Ohms50.0
Unit TypeWAVEGUIDE
Radio Frequency Rating9.4 GIGAHERTZ NOMINAL
Usage DesignMAINTAIN RADIO FREQUENCY CONTINUITY ON TRANSMISSION LINE WHILE ANTENNA IS ROTATING
MaterialALUMINUM ALLOY
Cubic Measure21.78 CUBIC INCHES
Cancelled NSN5985-00-310-1473 (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 646-720000-402 available?
We can source 646-720000-402 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 646-720000-402 by CMC Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 646-720000-402 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 646-720000-402?
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 646-720000-402?
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.