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Joint Army-Navy Specifications Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M · Electronic Components
RG78U
Cable, Radio Frequency
Part NumberRG78U
ManufacturerJoint Army-Navy Specifications Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M
AvailabilityAvailable to order — request a quote
Specifications
NSN6145-00-161-0918 (NSN)
Federal Item NameCABLE,RADIO FREQUENCY
Federal Supply Class6145 — Wire and Cable, Electrical
Nominal Capacitance In Picofarads50.0 PER FOOT
Voltage Rating8000.0 AC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
Strand Quantity Per Conductor19 SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
Round Conductor Size16 AWG SINGLE CONDUCTOR
Conductor Arrangement And Quantity1 COAXIAL
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Strand Awg Size Per Conductor29 SINGLE CONDUCTOR
Cross Section Outside Diameter0.385 INCHES NOMINAL
Electrical Resistance48.0 OHMS IMPEDANCE
Conductor Quantity1
Cancelled NSN6145-00-583-9269 (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 RG78U available?
We can source RG78U 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 RG78U by Joint Army-Navy Specifications Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RG78U 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 RG78U?
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 RG78U?
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.