Electro Switch Corp. · Electronic Components
43902LD-4
Switch, Rotary
Part Number43902LD-4
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-734-9928 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Thread Quantity Per Inch24 SINGLE MOUNTING FACILITY
Overall Diameter3.248 INCHES NOMINAL
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY
Overall Length2.813 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Width2.813 INCHES NOMINAL
Thread Tolerance Class2.0 EXTERNAL SINGLE MOUNTING FACILITY
Style DesignatorTAP, SQUARE FRAME
Hazardous Locations EnvironmentalWATERPROOF
Vendor Part NumbersMC-043100
ESD/EMICode A — ESD/EMI sensitive item
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 43902LD-4 available?
We can source 43902LD-4 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 43902LD-4 by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 43902LD-4 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 43902LD-4?
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 43902LD-4?
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.