Littelfuse · Electronic Components
551802
Switch, Toggle
Part Number551802
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-426-4058 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Thread Series DesignatorUNS
Overall Height2.650 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Hazardous Locations EnvironmentalDUSTPROOF
Mounting Surface To Terminal End D1.300 INCHES NOMINAL
Nominal Thread Size0.469 INCHES
Nonpile Up Contact Arrangement1 POLE, DOUBLE THROW, THREE POSITIONS MAINTAINED SINGLE SWITCH UNIT
Contact Load Current Rating At Max25.000 AMPERES INDUCTIVE DC AND 20.000 AMPERES LAMP DC
Actuator Height1.060 INCHES NOMINAL
Actuator Position Action RelationsUP POSITION MAINTAINED AND DOWN POSITION MAINTAINED AND CENTER POSITION MAINTAINED
Actuator StyleROUND
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
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 551802 available?
We can source 551802 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 551802 by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 551802 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 551802?
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 551802?
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.