Janco · Electronic Components
1900-1B10C
Switch, Rotary
Part Number1900-1B10C
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-078-7950 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Contact Load Current Rating2.0 AMPERES INDUCTIVE LOAD AND 3.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Flat Height0.207 INCHES MINIMUM AND 0.213 INCHES MAXIMUM SINGLE ACTUATOR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Hazardous Locations EnvironmentalEXPLOSION PROOF
Switch Actuator Positioning Increm36.0 DEGREES SINGLE ACTUATOR
Operating Temp Range-65.0 TO 85.0 CELSIUS
Switch Actuator Indexing Position10 SINGLE ACTUATOR
Overall Diameter1.100 INCHES NOMINAL
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Individual Section Quantity1
Vendor Part Numbers922268-3
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 1900-1B10C available?
We can source 1900-1B10C 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 1900-1B10C by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1900-1B10C 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 1900-1B10C?
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 1900-1B10C?
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.