MIL-SPEC · Electronic Components
S2JFM4
Switch, Rotary
Part NumberS2JFM4
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-712-3179 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Actuator Indexing Position12 SINGLE ACTUATOR
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Test Data Document81349-MIL-S-21604 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Knob Manufacturer Part Number9000S6202-74225PIECE53
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION PERIPHERY
Terminal TypeTAB, SOLDER LUG
Throw Quantity12 EACH SECTION PERIPHERY
Individual Section Quantity4
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL
Overall Height1.125 INCHES NOMINAL
Switch Actuator Stop Device TypeADJUSTABLE STOP 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 S2JFM4 available?
We can source S2JFM4 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 S2JFM4 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S2JFM4 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 S2JFM4?
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 S2JFM4?
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.