Janco · Electronic Components
77-1975-1-4-8
Switch, Rotary
Part Number77-1975-1-4-8
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-043-3519 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Actuator Indexing Position8 SINGLE ACTUATOR
Nonturn Device TypeFLATTED BUSHING AT 3:00 OCLOCK
Hazardous Locations EnvironmentalEXPLOSION PROOF AND WATERTIGHT
Rotor Through Connection Quantity1 EACH SECTION
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL
Overall Length2.930 INCHES NOMINAL
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Overall Diameter1.320 INCHES MAXIMUM
Terminal TypeTAB, SOLDER LUG
First Flat Length0.440 INCHES NOMINAL SINGLE ACTUATOR
Thread Class2A SINGLE MOUNTING FACILITY
Vendor Part Numbers721839-43
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 77-1975-1-4-8 available?
We can source 77-1975-1-4-8 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 77-1975-1-4-8 by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 77-1975-1-4-8 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 77-1975-1-4-8?
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 77-1975-1-4-8?
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.