Radio Switch · Electronic Components
MS-14B-4
Switch, Rotary
Part NumberMS-14B-4
ManufacturerRadio Switch
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-581-4011 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Switch Actuator Indexing Position14 SINGLE ACTUATOR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Thread Length0.438 INCHES NOMINAL SINGLE MOUNTING FACILITY
Flat Height0.219 INCHES NOMINAL SINGLE ACTUATOR
Pole Quantity1 EACH SECTION REAR
Shaft Length0.875 INCHES NOMINAL SINGLE ACTUATOR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increm25.0 DEGREES 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 MS-14B-4 available?
We can source MS-14B-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 MS-14B-4 by Radio Switch obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS-14B-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 MS-14B-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 MS-14B-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.