General Dynamics Mission Systems, Inc. · Electronic Components
321A139
Capacitor, Fixed, Mica Dielectric
Part Number321A139
ManufacturerGeneral Dynamics Mission Systems, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-280-7191 (NSN)
Federal Item NameCAPACITOR,FIXED,MICA DIELECTRIC
Federal Supply Class5910 — Capacitors
Body StyleBUTTON TYPE, W/MTG TABS
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Body Length0.110 INCHES MAXIMUM
Terminal Type And Quantity2 TAB, SOLDER LUG
Temp Coefficient Of Capacitance Ra-100.0 TO 100.0 SINGLE SECTION
Tolerance Range Per Section-20.00 TO 20.00 PERCENT SINGLE SECTION
Nonderated Continuous Voltage Rati500.0 DC SINGLE SECTION
Reliability IndicatorNOT ESTABLISHED
Capacitance Value Per Section1000.000 PICOFARADS SINGLE SECTION
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM
Body Diameter0.438 INCHES NOMINAL
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 321A139 available?
We can source 321A139 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 321A139 by General Dynamics Mission Systems, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 321A139 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 321A139?
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 321A139?
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.