Raytheon · Electronic Components
955550-289
Resistor, Fixed, Wire Wound
Part Number955550-289
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-252-2797 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Ambient Temp In Deg Celsius At Zer145.0
Temp Range Of Temp Coefficient In-55.0 TO 145.0
Test Data Document82577-955550 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER
Ambient Temp At Full Rated Power125.0 CELSIUS
Terminal Length1.500 INCHES MINIMUM
Body Length0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
Style DesignatorAXIAL TERMINAL EACH END
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeENCAPSULATED
Power Dissipation Rating In Watts0.080 FREE AIR
Terminal TypeWIRE LEAD
Vendor Part NumbersSP21W1331-289
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 955550-289 available?
We can source 955550-289 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 955550-289 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 955550-289 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 955550-289?
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 955550-289?
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.