Electroswitch · Electronic Components
MESK79
Switch, Rotary
Part NumberMESK79
ManufacturerElectroswitch
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-919-9788 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Overall Height3.750 INCHES NOMINAL
Style DesignatorTAP, CIRCUIT SELECTOR
Thread Series DesignatorUNEF FIRST MOUNTING FACILITY
Overall Length14.844 INCHES NOMINAL
Mounting Facility PatternFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
Individual Section Quantity23
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Longest Vertical Distance Between2.297 INCHES NOMINAL SECOND MOUNTING FACILITY
Features ProvidedACTUATOR KNOB
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
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 MESK79 available?
We can source MESK79 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 MESK79 by Electroswitch obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MESK79 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 MESK79?
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 MESK79?
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.