Honeywell · Electronic Components
3500-90-1
Switch, Thermostatic
Part Number3500-90-1
ManufacturerHoneywell
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-454-6611 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Body Height0.290 INCHES MAXIMUM
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL SECOND VOLTAGE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD AND 1.0 AMPERES INDUCTIVE LOAD AND 0.5 AMPERES LAMP LOAD FIRST VOLTAGE
Style DesignatorDISC
Overall Height0.460 INCHES MAXIMUM
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Unthreaded Mounting Hole Diameter0.142 INCHES MINIMUM AND 0.152 INCHES MAXIMUM
Contact Action StimulusINCREASE
Terminal TypeTAB, SOLDER LUG
Temp Sensing Element TypeINTERNAL SENSOR
Overall Diameter0.650 INCHES MAXIMUM
ESD/EMICode A — ESD/EMI sensitive item
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 3500-90-1 available?
We can source 3500-90-1 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 3500-90-1 by Honeywell obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3500-90-1 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 3500-90-1?
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 3500-90-1?
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.