MIL-SPEC · Electronic Components
CU308BU
Coupler, Antenna
Part NumberCU308BU
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-803-6201 (NSN)
Federal Item NameCOUPLER,ANTENNA
Federal Supply Class5985 — Antennas and Waveguides
FSC Application DataRADIO RECEIVING SET,RADIO NAVIGATION,AIRBORNE
MaterialALUMINUM CASE
Terminal TypeCONNECTOR
Coupling MethodRESISTIVE-CAPACITIVE
Radio Frequency Rating2.0 MEGAHERTZ MINIMUM AND 24.0 MEGAHERTZ MAXIMUM
Overall Depth4.750 INCHES NOMINAL
Current TypeDC
Overall Length3.625 INCHES NOMINAL
Terminal Quantity5
Voltage Rating28.0 VOLTS NOMINAL AND 120.0 VOLTS NOMINAL
Tuning TypeFIXED
Vendor Part Numbers101-000-165, CU308U
Cancelled NSN5985-00-988-9042 (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 CU308BU available?
We can source CU308BU 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 CU308BU by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CU308BU 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 CU308BU?
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 CU308BU?
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.