Sypris Electronics · Electronic Components
521499-0003
Switch, Rotary
Part Number521499-0003
ManufacturerSypris Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-122-6657 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Precious MaterialSILVER
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Pole Quantity1 SINGLE SECTION FRONT
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL
Shaft TypeROUND, SLOTTED SINGLE ACTUATOR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Throw Quantity4 SINGLE SECTION FRONT
Overall Diameter0.562 INCHES NOMINAL
Terminal TypeTAB, SOLDER LUG
Mounting MethodTERMINAL SINGLE MOUNTING FACILITY
Vendor Part Numbers13RB4
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 521499-0003 available?
We can source 521499-0003 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 521499-0003 by Sypris Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 521499-0003 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 521499-0003?
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 521499-0003?
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.