MIL-SPEC · Electronic Components
MS27718-21-1
SWITCH TOGGLE , ON -OFF
Part NumberMS27718-21-1
ManufacturerMIL-SPEC
AvailabilityCheck availability — request a quote
Specifications
NSN5930-01-226-0458 (NSN)
Federal Item NameSWITCH,TOGGLE
Terminals3 TURRET
Mounting MethodTHREADED BUSHING
Overall Length0.575 INCHES MAXIMUM
Overall Width0.535 INCHES MAXIMUM
Overall Height1.900 INCHES NOMINAL
Body StyleBUSHING MOUNT
Features ProvidedACTUATOR SEAL
Nominal Thread Size0.468 INCHES
Bushing Length0.470 INCHES NOMINAL
Actuator StyleROUND
Federal Supply Class5930 — Switches
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 MS27718-21-1 available?
MS27718-21-1 is a part RH Electronics stocks and sources — availability changes daily, so request a quote and we'll confirm current stock, pricing and lead time, usually within a few hours.
Is MS27718-21-1 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS27718-21-1 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 MS27718-21-1?
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 MS27718-21-1?
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.