MIL-SPEC · Electronic Components
M15743/3-003
Switch, Rotary
Part NumberM15743/3-003
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-258-5501 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Terminal TypeTAB W/SCREW
Mounting Facility PatternTHREE POSITION CIRCULAR SINGLE MOUNTING FACILITY
Hazardous Locations EnvironmentalWATERTIGHT
Shaft Diameter0.218 INCHES NOMINAL SINGLE ACTUATOR
Features ProvidedACTUATOR KNOB AND METALLIC ENCLOSURE
Shaft TypeROUND SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
Unthreaded Mounting Hole Diameter0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Test Data Document81349-MIL-S-15743 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Switch Actuator Positioning Increm90.0 DEGREES 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 M15743/3-003 available?
We can source M15743/3-003 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 M15743/3-003 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M15743/3-003 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 M15743/3-003?
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 M15743/3-003?
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.