Electro Switch Corp. · Electronic Components
121917LB
Switch, Rotary
Part Number121917LB
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-317-9349 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Thread Class2B SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts125.0 LOWEST DC VOLTAGE RATING AT SEA LEVEL
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Unthreaded Mounting Hole Diameter0.203 INCHES NOMINAL SECOND MOUNTING FACILITY
Mounting Facility PatternTWO POSITION IN-LINE SECOND MOUNTING FACILITY
Hazardous Locations EnvironmentalSHOCK RESISTANT AND VIBRATION RESISTANT
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Individual Section Quantity21
Style DesignatorTAP, CIRCUIT SELECTOR
Overall Height2.500 INCHES NOMINAL
Overall Width3.000 INCHES NOMINAL
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 121917LB available?
We can source 121917LB 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 121917LB by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121917LB 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 121917LB?
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 121917LB?
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.