Raytheon · Electronic Components
257955-1
Capacitor, Fixed, Paper Dielectric
Part Number257955-1
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-901-5700 (NSN)
Federal Item NameCAPACITOR,FIXED,PAPER DIELECTRIC
Federal Supply Class5910 — Capacitors
Insulation Resistance At Maximum O1000.0 MEGOHMS
Body Length1.312 INCHES NOMINAL
Insulation Resistance At Reference3000.0 MEGOHMS
Terminal Type And Quantity1 TAB, SOLDER LUG
Power Factor At Reference Temp In1.0000
Reliability IndicatorNOT ESTABLISHED
Body StyleW/MTG BRACKET, TERMINAL(S) ON ONE END
Schematic Diagram DesignatorELECTRODE(S) GROUNDED TO CASE
Body Diameter0.562 INCHES NOMINAL
Capacitance Value Per Section0.220 MICROFARADS SINGLE SECTION
Tolerance Range Per Section-20.00 TO 20.00 PERCENT SINGLE SECTION
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 257955-1 available?
We can source 257955-1 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 257955-1 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 257955-1 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 257955-1?
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 257955-1?
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.