Electro Switch Corp. · Electronic Components
121902LB
Switch, Rotary
Part Number121902LB
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-009-7613 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Overall Length2.406 INCHES NOMINAL
Overall Height2.500 INCHES NOMINAL
Hazardous Locations EnvironmentalDUSTPROOF
Terminal TypeTAB W/SCREW
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Pole Quantity1 EACH SECTION REAR
Flat Height0.219 INCHES NOMINAL SINGLE ACTUATOR
Mounting MethodBRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
Shaft Length1.000 INCHES NOMINAL SINGLE ACTUATOR
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 121902LB available?
We can source 121902LB 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 121902LB by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121902LB 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 121902LB?
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 121902LB?
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.