Raytheon · Electronic Components
RD9878-4
Capacitor, Variable, Air Dielectri
Part NumberRD9878-4
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-284-4874 (NSN)
Federal Item NameCAPACITOR,VARIABLE,AIR DIELECTRI
Federal Supply Class5910 — Capacitors
Nonderated Voltage Rating And Type1200.0 AC PEAK ALL SECTIONS
Mounting Facility Screw Thread SerUNIFIED NATIONAL COARSE (UNC)
Shaft Length0.281 INCHES NOMINAL SINGLE SHAFT
Capacitance Range In Picofarads+4.0 TO 29.2 ALL SECTIONS
Tuning CharacteristicSTRAIGHT LINE FREQUENCY ALL SECTIONS
Nominal Thread Size0.138 INCHES
Shaft TypeROUND SINGLE SHAFT
Individual Section Quantity3
Mounting Facility Type And Quantit5 THREADED HOLE(S)
Shaft Diameter0.369 INCHES NOMINAL SINGLE SHAFT
Thread Class2B
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 RD9878-4 available?
We can source RD9878-4 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 RD9878-4 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RD9878-4 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 RD9878-4?
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 RD9878-4?
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.