Janco Corporation · Electronic Components
77-1959
Switch, Rotary
Part Number77-1959
ManufacturerJanco Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-214-1836 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD AND 1.0 AMPERES INDUCTIVE LOAD AC AT SEA LEVEL
Switch Actuator Indexing Position7 FIRST ACTUATOR
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Rotor Through Connection Quantity1 SECOND SECTION
Shaft TypeROUND, FLATTED SECOND ACTUATOR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increm30.0 DEGREES SECOND ACTUATOR
Terminal TypeTAB, SOLDER LUG
Switch Actuator Stop Device TypeFIXED STOP FIRST ACTUATOR
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL
Vendor Part Numbers3187784
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 77-1959 available?
We can source 77-1959 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 77-1959 by Janco Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 77-1959 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 77-1959?
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 77-1959?
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.