MIL-SPEC · Electronic Components
MS21320-4
Switch, Sensitive
Part NumberMS21320-4
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-404-9178 (NSN)
Federal Item NameSWITCH,SENSITIVE
Federal Supply Class5930 — Switches
Terminal Type And Quantity6 WIRE LEAD
Switch Release Force64.0 INCH-OUNCES MINIMUM
Actuator Roller Width0.310 INCHES NOMINAL
Actuator Height0.675 INCHES NOMINAL
Body Length2.820 INCHES MAXIMUM
Actuator Movement16.0 PRETRAVEL DEGREES MINIMUM AND 24.0 PRETRAVEL DEGREES MAXIMUM AND 15.0 OVERTRAVEL DEGREES NOMINAL AND 10.0 DIFFERENT
Overall Height1.530 INCHES MAXIMUM
Inclosure TypeFULLY INCLOSED
Mounting MethodTHREADED BUSHING
Thread Series DesignatorUNS
Actuator Length1.500 INCHES NOMINAL
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 MS21320-4 available?
We can source MS21320-4 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 MS21320-4 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS21320-4 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 MS21320-4?
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 MS21320-4?
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.