Electro Switch Corp. · Electronic Components
74203RN
Switch, Rotary
Part Number74203RN
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-305-8625 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION PERIPHERY
Features ProvidedACTUATOR KNOB AND LEGEND PLATE
Contact Voltage Rating In Volts600.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL
Style DesignatorTAP, CIRCUIT SELECTOR
Longest Horizontal Distance Betwee2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility PatternISOSCELES TRIANGLE SINGLE MOUNTING FACILITY
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Overall Width2.810 INCHES NOMINAL
Knob Manufacturer Part Number02000-12
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Precious Material And LocationCONTACT SURFACES SILVER
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 74203RN available?
We can source 74203RN 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 74203RN by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 74203RN 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 74203RN?
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 74203RN?
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.