MIL-SPEC · Electronic Components
MS21357-721
Switch, Toggle
Part NumberMS21357-721
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-472-5826 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Actuator Position Action RelationsLEFT POSITION MOMENTARY AND RIGHT POSITION MOMENTARY
Terminal Type And Quantity6 PRINTED CIRCUIT
Thread Series DesignatorUNS
Actuator Diameter0.240 INCHES NOMINAL
Body Width0.556 INCHES NOMINAL
Mounting MethodTHREADED BUSHING
Inclosure TypeFULLY INCLOSED
Actuator StyleROUND
Thread Class2A
Body Height0.556 INCHES NOMINAL
Body StyleBUSHING MOUNT
ESD/EMICode A — ESD/EMI sensitive item
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 MS21357-721 available?
We can source MS21357-721 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 MS21357-721 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS21357-721 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 MS21357-721?
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 MS21357-721?
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.