Janco Corporation · Electronic Components
77-1992
Switch, Rotary
Part Number77-1992
ManufacturerJanco Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-496-9829 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Mounting MethodTHREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY
Test Data Document81349-MIL-S-3786 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Shaft Length0.814 INCHES MINIMUM AND 0.914 INCHES MAXIMUM SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES THIRD SECTION REAR
First Flat Length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM SINGLE ACTUATOR
Thread Class2A SINGLE MOUNTING FACILITY
Flat Height0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM SINGLE ACTUATOR
Nonturn Device TypeSLOTTED BUSHING AT 3:00 OCLOCK
Overall Length3.064 INCHES MINIMUM AND 3.164 INCHES MAXIMUM
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Throw Quantity8 EACH SECTION REAR
Vendor Part Numbers3188490
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 77-1992 available?
We can source 77-1992 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 77-1992 by Janco Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 77-1992 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 77-1992?
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 77-1992?
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.