MIL-SPEC · Electronic Components
CM85FU391JM1
Capacitor, Fixed, Mica Dielectric
Part NumberCM85FU391JM1
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-069-0355 (NSN)
Federal Item NameCAPACITOR,FIXED,MICA DIELECTRIC
Federal Supply Class5910 — Capacitors
Body Diameter3.500 INCHES NOMINAL
Tolerance Range Per Section-5.00 TO 5.00 PERCENT SINGLE SECTION
Mounting Facility Type And Quantit4 UNTHREADED MOUNTING HOLES
Lowest Frequency At Which Rf Curre100.0
Maximum Rf Current Rating At Lowes2.0
Temp Coefficient Of Capacitance Ra+0.0 TO 70.0 SINGLE SECTION
Body Length4.000 INCHES NOMINAL
Capacitance Value Per Section390.000 PICOFARADS SINGLE SECTION
Center To Center Distance Between5.750 INCHES NOMINAL
Maximum Rf Current Rating At Highe11.0
Nonderated Continuous Voltage Rati20000.0 AC-PEAK SINGLE SECTION
Cancelled NSN5910-00-835-0339 (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 CM85FU391JM1 available?
We can source CM85FU391JM1 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 CM85FU391JM1 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CM85FU391JM1 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 CM85FU391JM1?
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 CM85FU391JM1?
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.