Electro Switch Corp. · Electronic Components
121103LB
Switch, Rotary
Part Number121103LB
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-478-3078 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Style DesignatorTAP, CIRCUIT SELECTOR
Knob Manufacturer Code82121
Switch Actuator Indexing Position2 SINGLE ACTUATOR
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Pole Quantity1 EACH SECTION FRONT
Mounting Facility Circle Radius1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY
Features ProvidedACTUATOR KNOB
Throw Quantity1 EACH SECTION FRONT
Terminal TypeTAB W/SCREW
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 121103LB available?
We can source 121103LB 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 121103LB by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121103LB 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 121103LB?
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 121103LB?
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.