Lockheed Martin Corporation · Electronic Components
612531-021
Capacitor, Fixed, Paper Dielectric
Part Number612531-021
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-989-1239 (NSN)
Federal Item NameCAPACITOR,FIXED,PAPER DIELECTRIC
Federal Supply Class5910 — Capacitors
Terminal Length1.625 INCHES MINIMUM AND 2.625 INCHES MAXIMUM
Dissipation Factor At Reference Te1.0000
Case Insulation MaterialPLASTIC
Terminal Surface TreatmentSOLDER
Terminal Type And Quantity2 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Tolerance Range Per Section-10.00 TO 10.00 PERCENT SINGLE SECTION
Insulation Resistance At Reference12000.0 MEGOHMS
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Insulation Resistance At Maximum O150.0 MEGOHMS
Vendor Part Numbers196P47391S4, 612531-21
Cancelled NSN5910-00-853-6155 (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 612531-021 available?
We can source 612531-021 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 612531-021 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 612531-021 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 612531-021?
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 612531-021?
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.