MIL-SPEC · Electronic Components
MS21027-K351
Switch, Toggle
Part NumberMS21027-K351
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-302-0801 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Nominal Thread Size0.469 INCHES
Thread Quantity Per Inch32
Actuator Position Locking RelationUP POSITION NO LOCKING ACTION AND DOWN POSITION LOCKED OUT AND CENTER POSITION LOCKED IN
Mounting Surface To Terminal End D0.706 INCHES MAXIMUM
Test Data Document81349-MIL-S-8834 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Nonpile Up Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY, TWO POSITIONS MAINTAINED SINGLE SWITCH UNIT
Body StyleBUSHING MOUNT
Terminal Type And Quantity6 TAB, SOLDER LUG
Maximum Voltage Rating In Volts115.0 AC AND 28.0 DC
Mounting MethodTHREADED BUSHING
Body Length0.572 INCHES MAXIMUM
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 MS21027-K351 available?
We can source MS21027-K351 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 MS21027-K351 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS21027-K351 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 MS21027-K351?
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 MS21027-K351?
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.