Boeing · Electronic Components
4578263-1
Switch, Toggle
Part Number4578263-1
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-137-4841 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Hazardous Locations EnvironmentalDUSTPROOFDUSTPROOF
Thread Quantity Per Inch3232
Thread Series DesignatorUNSUNS
Contact Load Current Rating At Max20.000 AMPERES RESISTIVE DC AND 20.000 AMPERES RESISTIVE DC AND 15.000 AMPERES INDUCTIVE DC AND 15.000 AMPERES INDUCTIVE
Terminal Type And Quantity3 TAB W/SCREW3 TAB W/SCREW
Mounting MethodTHREADED BUSHINGTHREADED BUSHING
Actuator Height1.000 INCHES NOMINAL1.000 INCHES NOMINAL
Nonpile Up Contact Arrangement1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE
Body Width0.641 INCHES MAXIMUM0.641 INCHES MAXIMUM
Body StyleBUSHING MOUNTBUSHING MOUNT
Nominal Thread Size0.469 INCHES0.469 INCHES
Vendor Part NumbersSS3020-03-0
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 4578263-1 available?
We can source 4578263-1 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 4578263-1 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4578263-1 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 4578263-1?
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 4578263-1?
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.