Janco · Electronic Components
1-1937
Switch, Rotary
Part Number1-1937
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-853-9757 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL
Individual Section Quantity14
Shaft Length0.750 INCHES NOMINAL SINGLE ACTUATOR
Flat Height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM SINGLE ACTUATOR
Hazardous Locations EnvironmentalEXPLOSION PROOF
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Nonturn Device TypeTAB AT 3:00 OCLOCK
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Shaft Flat Slot Angular Location0.0 DEGREES FROM CONTACT POSITION 1 SINGLE ACTUATOR
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Vendor Part Numbers964475-305
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 1-1937 available?
We can source 1-1937 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 1-1937 by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1-1937 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 1-1937?
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 1-1937?
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.