Electro Switch Corp. · Electronic Components
121904NL
Switch, Rotary
Part Number121904NL
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-317-3879 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Voltage Rating In Volts350.0 HIGHEST DC VOLTAGE RATING AT SEA LEVEL
Features ProvidedACTUATOR KNOB AND DUMMY SECTION
Overall Length3.568 INCHES NOMINAL
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AND 10.0 AMPERES INDUCTIVE LOAD LOWEST DC VOLTAGE RATING AT SEA LEVEL
Individual Section Quantity4
Mounting Facility Circle Radius1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Thread Quantity Per Inch24 SINGLE MOUNTING FACILITY
Hazardous Locations EnvironmentalSHOCK RESISTANT AND VIBRATION RESISTANT
Nominal Thread Size0.190 INCHES SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
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 121904NL available?
We can source 121904NL 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 121904NL by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121904NL 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 121904NL?
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 121904NL?
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.