Janco · Electronic Components
1902
Switch, Rotary
Part Number1902
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-703-1422 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Hazardous Locations EnvironmentalEXPLOSION PROOF
Thread Class2A SINGLE MOUNTING FACILITY
Switch Actuator Indexing Position6 SINGLE ACTUATOR
Contact Load Current Rating6.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
First Flat Length0.250 INCHES NOMINAL SINGLE ACTUATOR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Individual Section Quantity8
Overall Diameter1.250 INCHES NOMINAL
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage43.65 AC VOLTS MINIMUM AND 46.35 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating12.54 KILOHERTZ MINIMUM AND 13.06 KILOHERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Winding Operating Current1.46 AMPERES AC MINIMUM AND 1.55 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Overall Length0.450 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type And Quantity4 PIN
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 1902 available?
We can source 1902 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 1902 by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1902 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 1902?
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 1902?
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.