MIL-SPEC · Electronic Components
MS21321-2
Switch, Sensitive
Part NumberMS21321-2
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-949-1166 (NSN)
Federal Item NameSWITCH,SENSITIVE
Federal Supply Class5930 — Switches
Actuator Free Position Height0.375 INCHES NOMINAL
Actuator Height1.345 INCHES MINIMUM AND 1.405 INCHES MAXIMUM
Body Length1.200 INCHES MAXIMUM
Test Data Document81349-MIL-S-8805 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Contact Load Current Rating At Max7.000 AMPERES RESISTIVE DC AND 4.000 AMPERES INDUCTIVE DC AND 4.000 AMPERES MOTOR DC
Thread Series DesignatorUNEF
Nonpile Up Contact Arrangement4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Switch Release Force64.0 OUNCES MINIMUM
Switch Actuating Force96.0 OUNCES MINIMUM AND 192.0 OUNCES MAXIMUM
Bushing Length0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM
Maximum Voltage Rating In Volts28.0 DC
Cancelled NSN5930-01-140-4347 (cancelled)
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 MS21321-2 available?
We can source MS21321-2 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 MS21321-2 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS21321-2 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 MS21321-2?
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 MS21321-2?
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.