Electro Switch Corp. · Electronic Components
31203A
Switch, Rotary
Part Number31203A
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-012-4889 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Hazardous Locations EnvironmentalDUSTPROOF
Knob Manufacturer Part Number01500-1
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Thread Class2A SINGLE MOUNTING FACILITY
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Thread Series DesignatorUNS SINGLE MOUNTING FACILITY
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Pole Quantity2 EACH SECTION REAR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Vendor Part Numbers7152040-2
Cancelled NSN5930-00-548-4725 (cancelled)
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 31203A available?
We can source 31203A 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 31203A by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31203A 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 31203A?
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 31203A?
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.