TE Connectivity · Electronic Components
MST205R
Switch, Toggle
Part NumberMST205R
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-400-4738 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Body StyleBUSHING MOUNT
Nonpile Up Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Contact Load Current Rating At Max5.000 AMPERES RESISTIVE AC
Thread Series DesignatorUNS
Body Diameter0.490 INCHES NOMINAL
Maximum Voltage Rating In Volts115.0 AC
Actuator StyleROUND
Mounting MethodTHREADED BUSHING
Nominal Thread Size0.250 INCHES
Bushing Length0.250 INCHES NOMINAL
Thread Quantity Per Inch40
Vendor Part Numbers3101-1175, B15MST205R
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 MST205R available?
We can source MST205R 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 MST205R by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MST205R 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 MST205R?
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 MST205R?
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.