Lucent Technologies Inc. Corporate Headquarters · Electronic Components
B-178910
Switch, Thermostatic
Part NumberB-178910
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-259-7960 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Overall Height1.250 INCHES NOMINAL
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Contact Voltage Rating In Volts250.0 DC AT SEA LEVEL SECOND VOLTAGE
Contact Stimulus Rating55.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 54.50 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Temp Sensing Element TypeINTERNAL SENSOR
Mounting MethodBASE
Overall Length2.500 INCHES NOMINAL
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Features ProvidedHERMETICALLY SEALED CASE
Operating Temp Rating95.0 CELSIUS MAXIMUM AND -273.1 CELSIUS MINIMUM
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 B-178910 available?
We can source B-178910 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 B-178910 by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B-178910 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 B-178910?
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 B-178910?
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.