Electro Switch Corp. · Electronic Components
21204A
Switch, Rotary
Part Number21204A
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-106-1437 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Overall Length4.313 INCHES NOMINAL
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD LOWEST DC VOLTAGE RATING AT SEA LEVEL
Knob Manufacturer Part NumberA
Thread Class2B SINGLE MOUNTING FACILITY
Throw Quantity3 EACH SECTION REAR
Longest Vertical Distance Between2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Height2.812 INCHES NOMINAL
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Contact Voltage Rating In Volts125.0 HIGHEST DC VOLTAGE RATING AT SEA LEVEL
Shaft Length1.125 INCHES NOMINAL SINGLE ACTUATOR
Hazardous Locations EnvironmentalDUSTPROOF
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 21204A available?
We can source 21204A 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 21204A by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21204A 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 21204A?
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 21204A?
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.