Electro Switch Corp. · Electronic Components
43903LA
Switch, Rotary
Part Number43903LA
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-085-8872 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Thread Length0.063 INCHES NOMINAL FIRST MOUNTING FACILITY
Square Shaft Size0.250 INCHES NOMINAL SINGLE ACTUATOR
Overall Height2.812 INCHES NOMINAL
Thread Quantity Per Inch24 SECOND MOUNTING FACILITY
Thread Class2B SECOND MOUNTING FACILITY
Throw Quantity7 EACH SECTION REAR
Nominal Thread Size0.625 INCHES FIRST MOUNTING FACILITY
Mounting MethodBRACKET(S) AND THREADED HOLE(S) SECOND MOUNTING FACILITY
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 43903LA available?
We can source 43903LA 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 43903LA by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 43903LA 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 43903LA?
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 43903LA?
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.