Electro Switch Corp. · Electronic Components
81139MF3
Switch, Rotary
Part Number81139MF3
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-577-2262 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Thread Length0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY
Switch Actuator Indexing Position24 SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
First Flat Length0.312 INCHES NOMINAL SINGLE ACTUATOR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Individual Section Quantity3
Switch Actuator Positioning Increm15.0 DEGREES SINGLE ACTUATOR
Contact Voltage Rating In Volts1000.0 AC AT SEA LEVEL
Contact Switching ActionBREAKS BEFORE MAKES FIRST SECTION FRONT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL AND NONPILE-UP NONSYMMETRICAL
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
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 81139MF3 available?
We can source 81139MF3 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 81139MF3 by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 81139MF3 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 81139MF3?
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 81139MF3?
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.