MIL-SPEC · Electronic Components
MS21027-B331
Switch, Toggle
Part NumberMS21027-B331
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-302-0434 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Inclosure TypeFULLY INCLOSED
Nominal Thread Size0.469 INCHES
Body Length0.572 INCHES MAXIMUM
Mounting MethodTHREADED BUSHING
Contact Load Current Rating At Max5.000 AMPERES RESISTIVE DC AND 1.000 AMPERES INDUCTIVE DC AND 3.000 AMPERES RESISTIVE AC AND 2.000 AMPERES INDUCTIVE AC
Mounting Surface To Terminal End D0.706 INCHES MAXIMUM
Terminal Type And Quantity6 TAB, SOLDER LUG
Actuator Height0.983 INCHES NOMINAL
Thread Series DesignatorUNS
Features ProvidedACTUATOR SEAL
Body Width0.556 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-B331 available?
We can source MS21027-B331 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-B331 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS21027-B331 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-B331?
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-B331?
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.