Janco · Electronic Components
12-1900ML3-18NCD
Switch, Rotary
Part Number12-1900ML3-18NCD
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-180-3256 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Test Data Document81349-MIL-S-3786/4 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE D
Thread Series DesignatorUNS SINGLE MOUNTING FACILITY
Hazardous Locations EnvironmentalEXPLOSION PROOF
Detent Rotational Torque Range+12.000 TO 80.000 INCH-OUNCES SINGLE ACTUATOR
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Switch Actuator Positioning Increm20.0 DEGREES SINGLE ACTUATOR
Rotor Through Connection Quantity1 EACH SECTION
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Switch Actuator Indexing Position18 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 12-1900ML3-18NCD available?
We can source 12-1900ML3-18NCD 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 12-1900ML3-18NCD by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12-1900ML3-18NCD 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 12-1900ML3-18NCD?
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 12-1900ML3-18NCD?
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.