MIL-SPEC · Electronic Components
MS21354-311
Switch, Toggle
Part NumberMS21354-311
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-349-4274 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Mounting Surface To Terminal End D0.775 INCHES MINIMUM AND 0.825 INCHES MAXIMUM
Overall Width0.408 INCHES MAXIMUM
Precious Material And LocationTERMINAL SURFACES GOLD
Actuator Diameter0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
Thread Class2B
Bushing Length0.170 INCHES NOMINAL
Test Data Document81349-MIL-S-8834 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Terminal Type And Quantity3 PRINTED CIRCUIT
Thread Series DesignatorUNS
Mounting MethodPRINTED CIRCUIT AND THREADED BUSHING WITH PANEL SEAL
Maximum Voltage Rating In Volts28.0 DC AND 115.0 AC
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 MS21354-311 available?
We can source MS21354-311 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 MS21354-311 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS21354-311 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 MS21354-311?
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 MS21354-311?
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.