Raytheon · Electronic Components
257940-6
Capacitor, Fixed, Paper Dielectric
Part Number257940-6
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-149-1589 (NSN)
Federal Item NameCAPACITOR,FIXED,PAPER DIELECTRIC
Federal Supply Class5910 — Capacitors
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Body StyleW/THD MTG STUDS, AXIAL TERMINALS
Terminal Surface TreatmentSOLDER
Terminal Type And Quantity2 TAB, SOLDER LUG
Dissipation Factor At Reference Te1.0000
Insulation Resistance At Reference6000.0 MEGOHMS
Distance Between Centerlines Of Mo0.625 INCHES NOMINAL
Tolerance Range Per Section-10.00 TO 10.00 PERCENT SINGLE SECTION
Nonderated Operating Temp-40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM
Mounting Facility Screw Thread SerUNIFIED NATIONAL COARSE (UNC)
Reliability IndicatorNOT ESTABLISHED
Vendor Part Numbers88P10494T9
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 257940-6 available?
We can source 257940-6 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 257940-6 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 257940-6 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 257940-6?
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 257940-6?
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.