Electro Switch Corp. · Electronic Components
3812-4
Switch, Rotary
Part Number3812-4
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-009-2933 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Pole Quantity1 EACH SECTION FRONT
Flat Height0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM SINGLE ACTUATOR
Nonturn Device TypeFLATTED BUSHING AT 3:00 OCLOCK
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Shaft Flat Slot Angular Location180.0 DEGREES FROM CONTACT POSITION 1 SINGLE ACTUATOR
First Flat Length0.218 INCHES NOMINAL SINGLE ACTUATOR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Overall Length2.216 INCHES MAXIMUM
Shaft Diameter0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Thread Class2A SINGLE MOUNTING FACILITY
Winding Dc Resistance Rating160.0 OHMS NOMINAL SINGLE WINDING
Coil Quantity1
Main Contact Maximum Voltage Ratin30.0 DC
Unthreaded Mounting Hole Diameter0.144 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Center To Center Distance Between1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A25.0 AMPERES DC RESISTIVE LOAD
Overall Width1.812 INCHES NOMINAL
Duty TypeCONTINUOUS
Terminal Type And Quantity5 PIN ALL FUNCTIONS
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 3812-4 available?
We can source 3812-4 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 3812-4 by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3812-4 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 3812-4?
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 3812-4?
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.