Janco · Electronic Components
1900K-1-C3
Switch, Rotary
Part Number1900K-1-C3
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-238-1913 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Rotor Through Connection Quantity1 SINGLE SECTION
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Shaft Length0.812 INCHES NOMINAL SINGLE ACTUATOR
Overall Length1.782 INCHES NOMINAL
Nonturn Device TypeTAB AT 3:00 OCLOCK
Nonturn Device Radius0.432 INCHES NOMINAL AT 3:00 OCLOCK
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Flat Height0.210 INCHES NOMINAL SINGLE ACTUATOR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Vendor Part Numbers1D5347-1
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 1900K-1-C3 available?
We can source 1900K-1-C3 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 1900K-1-C3 by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1900K-1-C3 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 1900K-1-C3?
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 1900K-1-C3?
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.