MIL-SPEC · Electronic Components
S2JR4
Switch, Rotary
Part NumberS2JR4
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-959-2870 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Thread Class2B SINGLE MOUNTING FACILITY
Style DesignatorTAP, CIRCUIT SELECTOR
Hazardous Locations EnvironmentalDUSTPROOF
Precious MaterialSILVER
Contact Voltage Rating In Volts30.0 DC AT SEA LEVEL
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Overall Length5.876 INCHES NOMINAL
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Switch Actuator Indexing Position3 SINGLE ACTUATOR
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 S2JR4 available?
We can source S2JR4 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 S2JR4 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S2JR4 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 S2JR4?
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 S2JR4?
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.