Electro Switch Corp. · Electronic Components
74903LJ
Switch, Rotary
Part Number74903LJ
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-018-2335 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Overall Height2.906 INCHES NOMINAL
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Terminal TypeTAB W/SCREW
Contact Voltage Rating In Volts500.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL
Individual Section Quantity3
Knob Special MarkingsLOWER NORM RAISE
Longest Horizontal Distance Betwee2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY
Contact Load Current Rating20.0 AMPERES RESISTIVE LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL
Precious MaterialSILVER
Style DesignatorTAP, CIRCUIT SELECTOR
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Vendor Part Numbers4050-452 PIECE 22
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 74903LJ available?
We can source 74903LJ 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 74903LJ by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 74903LJ 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 74903LJ?
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 74903LJ?
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.