MIL-SPEC · Electronic Components
CU308AU
Coupler, Antenna
Part NumberCU308AU
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-563-3558 (NSN)
Federal Item NameCOUPLER,ANTENNA
Federal Supply Class5985 — Antennas and Waveguides
MaterialCOPPER ALLOY CASE
Terminal TypeCONNECTOR
Current TypeDC
Overall Depth5.000 INCHES NOMINAL
Tuning TypeFIXED
Voltage Rating27.5 VOLTS NOMINAL AND 120.0 VOLTS NOMINAL
Overall Length10.000 INCHES NOMINAL
Terminal Quantity5
Overall Width5.000 INCHES NOMINAL
Radio Frequency Rating90.0 KILOHERTZ MINIMUM AND 110.0 KILOHERTZ MAXIMUM AND 170.0 KILOHERTZ MINIMUM AND 190.0 KILOHERTZ MAXIMUM AND 1700.0 KI
Coupling MethodRESISTIVE-CAPACITIVE
Cancelled NSN5841-00-602-4013 (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 CU308AU available?
We can source CU308AU 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 CU308AU by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CU308AU 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 CU308AU?
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 CU308AU?
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.