MIL-SPEC · Electronic Components
MS21995-1
Switch, Rotary
Part NumberMS21995-1
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-046-4636 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Overall Diameter1.950 INCHES MAXIMUM
First Flat Length0.400 INCHES MINIMUM AND 0.447 INCHES MAXIMUM SINGLE ACTUATOR
Nominal Thread Size0.469 INCHES SINGLE MOUNTING FACILITY
Shaft Diameter0.247 INCHES NOMINAL SINGLE ACTUATOR
Shaft Length0.531 INCHES NOMINAL SINGLE ACTUATOR
Thread Length0.469 INCHES NOMINAL SINGLE MOUNTING FACILITY
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Thread Series DesignatorUNS SINGLE MOUNTING FACILITY
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Cancelled NSN5930-01-042-2425 (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 MS21995-1 available?
We can source MS21995-1 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 MS21995-1 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS21995-1 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 MS21995-1?
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 MS21995-1?
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.