Electro Switch Corp. · Electronic Components
E102A4B
Switch, Rotary
Part NumberE102A4B
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-813-9689 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Mounting Facility PatternFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
Shaft TypeROUND, SLOTTED SINGLE ACTUATOR
Terminal TypeTAB W/SCREW
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
Longest Horizontal Distance Betwee1.437 INCHES NOMINAL SINGLE MOUNTING FACILITY
Longest Vertical Distance Between1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL
Switch Actuator Indexing Position8 SINGLE ACTUATOR
Shaft Diameter0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM SINGLE ACTUATOR
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY
Vendor Part Numbers2635250PT1
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 E102A4B available?
We can source E102A4B 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 E102A4B by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If E102A4B 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 E102A4B?
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 E102A4B?
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.