Janco Corporation · Electronic Components
2-1937-4
Switch, Rotary
Part Number2-1937-4
ManufacturerJanco Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-085-4755 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Pole Quantity1 EACH SECTION FRONT
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Nonturn Device TypeTAB AT 3:00 OCLOCK
Throw Quantity3 EACH SECTION FRONT
Overall Diameter1.036 INCHES NOMINAL
Switch Actuator Positioning Increm36.0 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 2-1937-4 available?
We can source 2-1937-4 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 2-1937-4 by Janco Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2-1937-4 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 2-1937-4?
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 2-1937-4?
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.